Duke Manufacturing Co. vs. Kyle Thomas Kestner et al (Inventor)

Explore the PTAB proceeding IPR2026-00484 filed by Duke Manufacturing Co. on 2026-10-02. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00484

Filing Date

2026-10-02

Accorded Filing Date

2026-10-02

Institution Decision Date

—

Last Modified Date

2026-10-09

Proceeding Type

IPR

Termination Date

—

Trial Status

Pending

Parties & Counsel

Petitioner

Duke Manufacturing Co.

Represented By

Everding, Williamet al

Patent Owner / Respondent

Kyle Thomas Kestner et al (Inventor)

Represented By

—

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 3700 - Mechanical Engineering & Manufacturing

Patent Information

1 Patent Involved

Respondent Application Number 15134380

Respondent Patent Number 9976750

External Links

Espacenet

Google Patents

Respondent Inventor Kyle Thomas Kestner et al

Respondent Tech Center TC 3700 - Mechanical Engineering & Manufacturing

Address and Attorney/Agent Information

77 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name MARSHALL, GERSTEIN & BORUN LLP

Customer Number 4743

Address 233 SOUTH WACKER DRIVE, 6300 WILLIS TOWER, CHICAGO, IL, 60606-6357, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28491	James Zeller	312-474-6300
31879	Jeffrey Sharp	312-474-6300
32254	Richard Labarge	312-474-6300
32361	James Napoli	312-474-6300
34824	Robert Gerstein	312-474-6300
35302	Greta Noland	312-474-6300
37641	Roger Heppermann	312-474-6300
38153	David Gass	312-474-6300
38359	Michael Weiner	312-474-6300
39257	Jeremy Kriegel	312-474-6300
39811	David Read	312-474-6300
40725	William Merkel	312-474-6300
43032	Elaine Ramesh	312-474-6300
43136	Gregory Smith	312-474-6300
43603	Joshua Elliott	312-474-6300
43848	Sandip Patel	312-474-6300
44684	Kevin Flowers	312-474-6300
45790	Heather Kissling	312-474-6300
45887	Randall Rueth	312-474-6300
46130	Andrew Lawrence	312-474-6300
46674	Meggan Duffy	312-474-6300
47678	Mark Izraelewicz	312-474-6300
47970	Paul Stephens	312-474-6300
48484	Sharon Sintich	312-474-6300
48642	Michael Muczynski	312-474-6300
51584	Pamela Cox	312-474-6300
52664	Eric Brusca	312-474-6300
53066	Lynn Janulis	312-474-6300
53171	John Labbe	312-474-6300
53379	Katherine Neville	312-474-6300
55064	Michael Chinlund	312-474-6300
56301	Jeanne Brashear	312-474-6300
57712	Shelley Danek	312-474-6300
58495	Michael Furmanek	312-474-6300
60674	Ryan Phelan	312-474-6300
61082	Matthew Carey	312-474-6300
61192	Daniel Chavka	312-474-6300
61681	Jeremy Protas	312-474-6300
61889	Steven Parks	312-474-6300
62856	Raymond Ricordati Iii	312-474-6617
63549	Michael Allikian	312-474-6300
64050	Andrew Bateman	402-933-0304
64192	Joseph Sakevich	312-474-6300
64514	Lilian Ficht	312-474-6300
64594	Jennifer Burnette	312-474-6300
64635	Derek Barnett	312-474-6300
64864	Katharine Su	312-474-6300
65275	Ryan Schermerhorn	312-474-6300
66014	Matthew Jorge	312-474-6300
66234	Tiffany Gehrke	312-474-6300
66337	William Samore	312-474-6641
66913	Vyacheslav Elkin	312-474-6300
67464	Theresa Stadheim	612-743-4498
69622	Jacqueline Felda	312-474-6300
69942	Conor Hunt	312-474-6300
71172	Cameron Pick	312-474-6300
71868	Nicholas Terrell	312-474-6300
74556	Jonathan Hughley	312-474-6622
74659	Michael Anderson	312-474-6300
74672	Noah Tilton	1-302-355-4243
74887	Shannon Mastick	224-805-6800
75141	Alden Voelker	312-423-3444
77550	Robert Jacobson	312-423-3432
77681	Thomas Burns	773-687-8577
78358	Kevin Piotrowski	312-474-9567
78390	Stephen Kudla	312-474-9569
78795	Stefan Brooks	312-474-6300
79836	Robert Johnson	312-423-3464
80725	Carolyn Clark	859-492-8926
81071	Alan Shramuk	312-474-6300
81252	Gabrielle Sue	650-888-2336
82273	Qixuan Wang	312-423-3443
82378	Matthew Nealon	312-423-3453
82451	Ria Patel	813-528-6877
82524	Ryan Slechta	312-474-6300
83235	Christopher Zahn	312-423-3459
L1405	Shuang Liu	312-423-3457

Proceeding Documents

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

2026-10-09 FILING PARTY: BOARD

Download

1012

U.S. Patent Publication No. 2007/0108178 Exhibit

2026-10-02 FILING PARTY: PETITIONER

Download

1004

Curriculum Vitae of Glenn Vallee Exhibit

2026-10-02 FILING PARTY: PETITIONER

Download

Notice: Power of Attorney NOTICE

2026-10-02 FILING PARTY: PETITIONER

Download

1028

Merco Holding Cabinets Exhibit

2026-10-02 FILING PARTY: PETITIONER

Download

Duke Manufacturing Co. vs. Kyle Thomas Kestner et al (Inventor)

Proceeding Overview

Parties & Counsel

Petitioner

Duke Manufacturing Co.

Represented By

Patent Owner / Respondent

Kyle Thomas Kestner et al (Inventor)

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

U.S. Patent Publication No. 2007/0108178 Exhibit

Curriculum Vitae of Glenn Vallee Exhibit

Notice: Power of Attorney NOTICE

Merco Holding Cabinets Exhibit

Declaration of Natasha Zerbey Exhibit

U.S. Patent No. 6,607,766 Exhibit

U.S. Patent No. 5,852,967 Exhibit

E-mail Collection (Trade Show Related) Exhibit

bk.dukemfg.com Exhibit

Declaration of Greg Hake Exhibit

Declaration of Arthur Lemley Exhibit

E-mail Collection (IRHS Manual Related) Exhibit

U.S. Patent No. 9,976,750 Exhibit

U.S. Patent Publication No. 2014/0130684 Exhibit

Declaration of Kathryn Veder Exhibit

U.S. Patent Publication No. 2010/0288748 Exhibit

U.S. Patent Publication No. 2011/0252813 Exhibit

E-mail Collection (IRHS Specifications Related) Exhibit

Declaration of Sheldon Coach Exhibit

U.S. Patent Publication No. 2014/0010937 Exhibit

U.S. Patent Publication No. 2011/0114624 Exhibit

PCT Publication No. WO 2015/031500 Exhibit

U.S. Patent No. 10,258,197 Exhibit

Infrared Heatsink Holding Unit Operators Manual Exhibit

E-mail Collection (IRHS Service Manual Related) Exhibit

IRHS Sales Spreadsheet (Redacted) Exhibit

U.S. Patent Publication No. 2004/0069155 Exhibit

U.S. Patent No. 6,658,994 Exhibit

U.S. Provisional Patent Application No. 62/193,992 Exhibit

U.S. Patent No. 7,258,064 Exhibit

Infra Red Heat Sink Specifications Exhibit

Flame Magazine Exhibit

Petition: as filed PETITION

Declaration of Glenn Vallee Exhibit

U.S. Patent No. 3,461,275 Exhibit

Infrared Heatsink Holding Unit Service Manual Exhibit

U.S. Patent No. 6,119,587 Exhibit

U.S. Patent Publication No. 2009/0126580 Exhibit

U.S. Patent No. 6,175,099 Exhibit

Prince Castle Holding Bins Exhibit

U.S. Patent Publication No. 2011/0114618 Exhibit

Petitioner's Motion to File Under Seal MOTION

Proposed Protective Order - Clean Exhibit

U.S. Patent No. 5,590,586 Exhibit

Prosecution History of the ’750 Patent Exhibit

Proposed Protective Order - Marked-Up Exhibit

U.S. Patent Publication No. 2016/0073821 Exhibit

U.S. Patent Publication No. 2008/0302778 Exhibit

U.S. Patent No. 6,011,243 Exhibit