Hadley K. Burch

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Pittsfield, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Snap action devices and methods and apparatus for making same
- Patent number 4,796,355
- Issue date Jan 10, 1989
- B/K Patent Development, Inc.
- Lyndon W. Burch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Snap acting switches
- Patent number 4,788,388
- Issue date Nov 29, 1988
- B/K Patent Development, Inc.
- Lyndon W. Burch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker
- Patent number 4,325,046
- Issue date Apr 13, 1982
- B/K Patent Development, Inc.
- Hadley K. Burch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resettable thermal cut-off switch
- Patent number 4,268,813
- Issue date May 19, 1981
- B/K Patent Development
- Hadley K. Burch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Snap-ating mechanisms
- Patent number 4,032,734
- Issue date Jun 28, 1977
- B/K Patent Development, Inc.
- Hadley K. Burch
- H01 - BASIC ELECTRIC ELEMENTS