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James C. Robertson
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Ypsilanti, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pivotal slidable vehicle end enclosure
Patent number
4,437,410
Issue date
Mar 20, 1984
Portec, Inc.
David A. Stoller
B61 - RAILWAYS
Information
Patent Grant
Rail car end door positioning keeper assembly
Patent number
4,263,853
Issue date
Apr 28, 1981
Portec, Inc.
James C. Robertson
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Patent Grant
Foldable slidable vehicle end enclosure
Patent number
4,084,516
Issue date
Apr 18, 1978
Portec, Inc.
Chandrakant D. Ravani
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Railway car hinge-deck lock
Patent number
4,059,055
Issue date
Nov 22, 1977
Portec, Inc.
Chandrakant D. Ravani
B60 - VEHICLES IN GENERAL