Inventor
HARVEY MICHAEL P
US18 patents
⚠️ This page may combine multiple inventors who share the name “HARVEY MICHAEL P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
C & M TECHNOLOGY INC
11 patentsUS6911897B2Jun 28, 2005
Electronic combination lock with high security features
C & M TECHNOLOGY INC27 citations96
US6502438B1Jan 7, 2003
Electronic combination lock having anti-tampering features
C & M TECHNOLOGY INC29 citations96
US6420958B1Jul 16, 2002
Electronic combination lock with high security features
C & M TECHNOLOGY INC35 citations96
US5517184AMay 14, 1996
Electronic combination lock with high security features
C & M TECHNOLOGY INC68 citations96
US5061923AOct 29, 1991
Computerized combination lock
C & M TECHNOLOGY INC117 citations96
US6052063AApr 18, 2000
Electronic combination lock with high security features
C & M TECHNOLOGY INC24 citations92
US6034616AMar 7, 2000
Electronic combination lock with high security features
C & M TECHNOLOGY INC22 citations92
US5973624AOct 26, 1999
Electronic combination lock with high security features
C & M TECHNOLOGY INC19 citations92
US5684457ANov 4, 1997
Tamper indication system for combination locks
C & M TECHNOLOGY INC31 citations92
US5847656ADec 8, 1998
Electronic combination lock with high security features
C & M TECHNOLOGY INC16 citations81
US5777559AJul 7, 1998
Electronic combination lock with high security features
C & M TECHNOLOGY INC8 citations72