Harold Switzgable

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Monmouth Junction, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Sectional overhead door construction
- Patent number 6,015,003
- Issue date Jan 18, 2000
- Harold Switzgable
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Thermally broken insulation support structure
- Patent number 4,548,015
- Issue date Oct 22, 1985
- Harold Switzgable
- E04 - BUILDING
Information Patent Grant
Heat transfer system
- Patent number 3,991,936
- Issue date Nov 16, 1976
- Harold Switzgable
- F24 - HEATING RANGES VENTILATING