John Davies

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Sewell, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Activate/deactiveable security tag with enhanced electronic protect...
- Patent number 6,400,271
- Issue date Jun 4, 2002
- Checkpoint Systems, Inc.
- John Edwin Davies
- G08 - SIGNALLING
Information Patent Grant
Security tag detection and localization system
- Patent number 6,271,756
- Issue date Aug 7, 2001
- Checkpoint Systems, Inc.
- John E. Davies
- G08 - SIGNALLING
Information Patent Grant
Electronic article security system employing variable time shifts
- Patent number 6,249,229
- Issue date Jun 19, 2001
- Checkpoint Systems, Inc., a Corp. of Pennsylvania
- Eric Eckstein
- G08 - SIGNALLING