James D. Hipp

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Toledo, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Pivoted railway hopper car door latching mechanism
- Patent number 4,248,159
- Issue date Feb 3, 1981
- Midland-Ross Corporation
- James D. Hipp
- B61 - RAILWAYS
Information Patent Grant
Locking mechanism for a pair of railroad hopper doors
- Patent number 4,119,041
- Issue date Oct 10, 1978
- Midland-Ross Corporation
- James D. Hipp
- B61 - RAILWAYS