John Peterson

Person

Toronto, Ontario, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Security system with audible link and two-way communication
- Patent number 6,175,307
- Issue date Jan 16, 2001
- Digital Security Controls Ltd.
- John Peterson
- G08 - SIGNALLING
Information Patent Grant
Security system remote control
- Patent number 5,920,270
- Issue date Jul 6, 1999
- Digital Security Controls Ltd.
- John Peterson
- G07 - CHECKING-DEVICES
Information Patent Grant
Test indicator control circuit for security alarm device
- Patent number 5,898,368
- Issue date Apr 27, 1999
- Digital Security Controls Ltd.
- Lucas Handley
- G08 - SIGNALLING
Information Patent Grant
Intrusion alarm with independent trouble evaluation
- Patent number 5,793,288
- Issue date Aug 11, 1998
- John Peterson
- G08 - SIGNALLING
Information Patent Grant
Combination security unit
- Patent number 5,594,428
- Issue date Jan 14, 1997
- Digital Security Controls Ltd.
- John Peterson
- G07 - CHECKING-DEVICES
Information Patent Grant
Self-diagnostic smoke detector
- Patent number 5,523,743
- Issue date Jun 4, 1996
- Digital Security Controls Ltd.
- William J. Rattman
- G08 - SIGNALLING
Information Patent Grant
Intrusion alarm with independent trouble evaluation
- Patent number 5,453,733
- Issue date Sep 26, 1995
- Digital Security Controls Ltd.
- John Peterson
- G08 - SIGNALLING
Information Patent Grant
Auto-adjust motion detection system
- Patent number 5,276,427
- Issue date Jan 4, 1994
- Digital Security Controls Ltd.
- John Peterson
- G08 - SIGNALLING

John Peterson

Person

Patents Grantslast 30 patents

Security system with audible link and two-way communication

Security system remote control

Test indicator control circuit for security alarm device

Intrusion alarm with independent trouble evaluation

Combination security unit

Self-diagnostic smoke detector

Intrusion alarm with independent trouble evaluation

Auto-adjust motion detection system