John Charlton

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Amherstburg, Ontario N9V 3R3, CA

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Patents Grantslast 30 patents

Information Patent Grant
Retractable door stop security device/utility box
- Patent number 5,775,746
- Issue date Jul 7, 1998
- John Charlton
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Retractable door stop security device/utility box
- Patent number 5,755,582
- Issue date May 26, 1998
- John Charlton
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Foot-operated door security device
- Patent number 4,797,970
- Issue date Jan 17, 1989
- John C. Charlton
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES