Jack R. Caldicott

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Barrington, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Security and communication system with location detection
- Patent number 5,223,816
- Issue date Jun 29, 1993
- Samuel H. Levinson
- G08 - SIGNALLING
Information Patent Grant
Security and communication system
- Patent number 4,611,198
- Issue date Sep 9, 1986
- Samuel H. Levinson
- G08 - SIGNALLING
Information Patent Grant
Remote-controlled doorbell signal receiver
- Patent number 4,523,193
- Issue date Jun 11, 1985
- Samuel H. Levinson
- G08 - SIGNALLING
Information Patent Grant
System for loading railroad cars
- Patent number 4,445,581
- Issue date May 1, 1984
- Mangood Corporation
- Jack R. Caldicott
- G01 - MEASURING TESTING
Information Patent Grant
System for weighing railroad cars in motion during loading
- Patent number 4,401,175
- Issue date Aug 30, 1983
- Mangood Corporation
- Jack R. Caldicott
- G01 - MEASURING TESTING