Perry W. Kaminski

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Norton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making pushbutton keyboard system
- Patent number 4,068,369
- Issue date Jan 17, 1978
- Texas Instruments Incorporated
- Perry W. Kaminski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pushbutton keyboard system and method of making same
- Patent number 3,996,427
- Issue date Dec 7, 1976
- Texas Instruments Incorporated
- Perry W. Kaminski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pushbutton keyboard assembly having pole and inner contacts simulta...
- Patent number 3,973,091
- Issue date Aug 3, 1976
- Texas Instruments Incorporated
- Perry W. Kaminski
- H01 - BASIC ELECTRIC ELEMENTS