John G. Thompson

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Orange, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Loading-dispersing device for portable non-free-standing ladders
- Patent number 6,412,599
- Issue date Jul 2, 2002
- John G. Thompson
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Load-dispersing device for portable non-free-standing ladders
- Patent number 6,021,865
- Issue date Feb 8, 2000
- John G. Thompson
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Heat Recovery and storage system
- Patent number 5,740,857
- Issue date Apr 21, 1998
- John G. Thompson
- F24 - HEATING RANGES VENTILATING