David C. Brezina

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Toerail grommet
- Patent number 11,066,129
- Issue date Jul 20, 2021
- David C. Brezina
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Horn cleat deflector
- Patent number 10,501,154
- Issue date Dec 10, 2019
- David C. Brezina
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Railway freight car shoe design
- Patent number 5,000,633
- Issue date Mar 19, 1991
- Trinity Industries, Inc.
- John J. Kowalik
- B61 - RAILWAYS
Information Patent Grant
Composite vehicle frames and method of manufacturing composite vehi...
- Patent number 4,493,749
- Issue date Jan 15, 1985
- David C. Brezina
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
Toerail Grommet
- Publication number 20210001957
- Publication date Jan 7, 2021
- David C Brezina
- B60 - VEHICLES IN GENERAL
Information Patent Application
Horn Cleat Deflector
- Publication number 20190217925
- Publication date Jul 18, 2019
- David C Brezina
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT