Inventor · disambiguated record
Walter G. Henderson
Also filed as: HENDERSON WALTER G
13 granted patents·1 pending application·1,775 citations·filing 1986–2004
96Inventor score
Technology areasG07C
Top patents by PatentIndex Score
14 records- 0192US4914732AElectronic key with interactive graphic user interfaceSUPRA PROD INC·Filed 1989·Granted Apr 3, 1990·267 cites·10 claims
- 0292US4727368AElectronic real estate lockbox systemSUPRA PROD INC·Filed 1986·Granted Feb 23, 1988·266 cites·2 claims
- 0386US5602536AData synchronization method for use with portable, microprocessor-based deviceSUPRA PROD INC·Filed 1995·Granted Feb 11, 1997·215 cites·4 claims
- 0486US4766746AElectronic real estate lockbox systemSUPRA PROD INC·Filed 1987·Granted Aug 30, 1988·195 cites·37 claims
- 0582US4988987AKeysafe system with timer/calendar featuresSUPRA PROD INC·Filed 1989·Granted Jan 29, 1991·143 cites·16 claims
- 0677US4887292AElectronic lock system with improved data disseminationSUPRA PROD INC·Filed 1989·Granted Dec 12, 1989·108 cites·11 claims
- 0776US5046084AElectronic real estate lockbox system with improved reporting capabilitySUPRA PROD INC·Filed 1989·Granted Sep 3, 1991·133 cites·15 claims
- 0873US5245652ASecure entry system with acoustically coupled telephone interfaceSUPRA PROD INC·Filed 1991·Granted Sep 14, 1993·119 cites·3 claims
- 0973US4947163AElectronic security system with configurable keySUPRA PROD INC·Filed 1989·Granted Aug 7, 1990·94 cites·9 claims
- 1067US6842105B1Dual mode data loggingGE INTERLOGIX INC·Filed 1995·Granted Jan 11, 2005·73 cites·13 claims
- 1165US4929880AElectronic lock system with battery conservation featuresSUPRA PROD INC·Filed 1988·Granted May 29, 1990·65 cites·14 claims
- 1263US6822553B1Secure entry system with radio reprogrammingGE INTERLOGIX INC·Filed 1993·Granted Nov 23, 2004·53 cites·1 claims
- 1357US4896246AElectronic lock with energy conservation featuresSUPRA PROD INC·Filed 1989·Granted Jan 23, 1990·44 cites·4 claims
- 1452US2005168320A1Electronic real estate lockbox systemGEN ELECTRIC·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →