David J. Bickerstaff

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West Bloomfield, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Side window glass regulator for quarter windows on convertibles
- Patent number 4,589,227
- Issue date May 20, 1986
- Ferro Manufacturing Corporation
- David J. Bickerstaff
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Flush glass window regulator
- Patent number 4,575,967
- Issue date Mar 18, 1986
- Ferro Manufacturing Corporation
- David J. Bickerstaff
- B60 - VEHICLES IN GENERAL