John C. Oprea

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Caro, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Under the rail liner with tabs
- Patent number 5,100,193
- Issue date Mar 31, 1992
- Durakon Industries, Inc.
- John C. Oprea
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Under the rail liner with tabs
- Patent number 5,007,671
- Issue date Apr 16, 1991
- Durakon Industries, Inc.
- John C. Oprea
- B60 - VEHICLES IN GENERAL