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James A. Warwick
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North Richland Hills, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Configurable railroad car
Patent number
12,005,937
Issue date
Jun 11, 2024
Gunderson LLC
James A. Warwick
B61 - RAILWAYS
Information
Patent Grant
Hopper railroad car having top hatch cover assembly
Patent number
11,713,061
Issue date
Aug 1, 2023
Gunderson LLC
Peter L. Jones
B61 - RAILWAYS
Patents Applications
last 30 patents
Information
Patent Application
HOPPER RAILROAD CAR HAVING TOP HATCH COVER ASSEMBLY
Publication number
20230322276
Publication date
Oct 12, 2023
GUNDERSON LLC
Peter L. Jones
B61 - RAILWAYS
Information
Patent Application
CONFIGURABLE RAILROAD CAR
Publication number
20220250659
Publication date
Aug 11, 2022
GUNDERSON LLC
James A. Warwick
B61 - RAILWAYS
Information
Patent Application
HOPPER RAILROAD CAR HAVING TOP HATCH COVER ASSEMBLY
Publication number
20220063682
Publication date
Mar 3, 2022
GUNDERSON LLC
Peter L. Jones
B61 - RAILWAYS
Information
Patent Application
HOPPER RAILROAD CAR FLEXIBLE TOP HATCH COVER
Publication number
20210213981
Publication date
Jul 15, 2021
The Greenbrier Companies, Inc.
Peter L. Jones
B61 - RAILWAYS