Walter G. Henderson

Person

Salem, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dual mode data logging
- Patent number 6,842,105
- Issue date Jan 11, 2005
- GE Interlogix, Inc.
- Walter G. Henderson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Secure entry system with radio reprogramming
- Patent number 6,822,553
- Issue date Nov 23, 2004
- GE Interlogix, Inc.
- Walter G. Henderson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Data synchronization method for use with portable, microprocessor-b...
- Patent number 5,602,536
- Issue date Feb 11, 1997
- Supra Products, Inc.
- Walter G. Henderson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Secure entry system with acoustically coupled telephone interface
- Patent number 5,245,652
- Issue date Sep 14, 1993
- Supra Products, Inc.
- Wayne F. Larson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Electronic real estate lockbox system with improved reporting capab...
- Patent number 5,046,084
- Issue date Sep 3, 1991
- Supra Products, Inc.
- Iral D. Barrett
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Keysafe system with timer/calendar features
- Patent number 4,988,987
- Issue date Jan 29, 1991
- Supra Products, Inc.
- Philip D. Barrett
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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 lock system with battery conservation features
- Patent number 4,929,880
- Issue date May 29, 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 lock system with improved data dissemination
- Patent number 4,887,292
- Issue date Dec 12, 1989
- Supra Products, Inc.
- Philip D. Barrett
- 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
Information Patent Grant
Electronic real estate lockbox system
- Patent number 4,727,368
- Issue date Feb 23, 1988
- Supra Products, Inc.
- Wayne F. Larson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Electronic real estate lockbox system
- Publication number 20050168320
- Publication date Aug 4, 2005
- General Electric Company
- Walter G. Henderson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Walter G. Henderson

Person

Patents Grantslast 30 patents

Dual mode data logging

Secure entry system with radio reprogramming

Data synchronization method for use with portable, microprocessor-b...

Secure entry system with acoustically coupled telephone interface

Electronic real estate lockbox system with improved reporting capab...

Keysafe system with timer/calendar features

Electronic security system with configurable key

Electronic lock system with battery conservation features

Electronic key with interactive graphic user interface

Electronic lock with energy conservation features

Electronic lock system with improved data dissemination

Electronic real estate lockbox system

Electronic real estate lockbox system

Patents Applicationslast 30 patents

Electronic real estate lockbox system