Differential Steel Car Company

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Findlay, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Hopper door apparatus for a railway car
- Patent number 5,144,895
- Issue date Sep 8, 1992
- Differential Steel Car Company
- John R. Murray
- B61 - RAILWAYS
Information Patent Grant
Hopper door and operating apparatus for a railway car
- Patent number 5,115,748
- Issue date May 26, 1992
- Differential Steel Car Company
- Wayne S. Westlake
- B61 - RAILWAYS
Information Patent Grant
Drop end, open top rail car
- Patent number 4,964,348
- Issue date Oct 23, 1990
- Differential Steel Car Company
- Richard W. Flowers
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74102653 - LADD
- Serial number 74102653
- Filing date Oct 1, 1990
- Differential Steel Car Company
- 12 - Vehicles