John Q. Archer II

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Salem, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic security system with configurable key
- Patent number 4,947,163
- Issue date Aug 7, 1990
- Supra Products, Inc.
- Walter G. Henderson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electronic key with interactive graphic user interface
- Patent number 4,914,732
- Issue date Apr 3, 1990
- Supra Products, Inc.
- Walter G. Henderson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electronic lock with energy conservation features
- Patent number 4,896,246
- Issue date Jan 23, 1990
- Supra Products, Inc.
- Walter G. Henderson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electronic real estate lockbox system
- Patent number 4,766,746
- Issue date Aug 30, 1988
- Supra Products, Inc.
- Walter G. Henderson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES