David A. Czarn

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Cumberland, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
High pressure switch apparatus
- Patent number 5,508,483
- Issue date Apr 16, 1996
- Texas Instruments Incorporated
- David A. Czarn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making pressure responsive switch
- Patent number 5,101,549
- Issue date Apr 7, 1992
- Texas Instruments Incorporated
- Dale R. Sogge
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Normally open pressure switch
- Patent number 5,015,808
- Issue date May 14, 1991
- Texas Instruments Incorporated
- David A. Czarn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pressure responsive switch particularly adaptable for operation as...
- Patent number 5,004,876
- Issue date Apr 2, 1991
- Texas Instruments Incorporated
- Dale R. Sogge
- H01 - BASIC ELECTRIC ELEMENTS