George Edward Zenk

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Richfield, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Membrane-type touch panel
- Patent number 4,085,302
- Issue date Apr 18, 1978
- Control Data Corporation
- George Edward Zenk
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Membrane type touch panel employing piezoresistant anti-short means
- Patent number 4,066,853
- Issue date Jan 3, 1978
- Control Data Corporation
- George Edward Zenk
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Vented membrane-type touch panel
- Patent number 4,066,855
- Issue date Jan 3, 1978
- Control Data Corporation
- George Edward Zenk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Membrane-type touch panel employing insulating grid anti-short means
- Patent number 4,066,854
- Issue date Jan 3, 1978
- Control Data Corporation
- George Edward Zenk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Membrane-type touch panel employing a photo-resist insulating grid...
- Patent number 4,066,852
- Issue date Jan 3, 1978
- Control Data Corporation
- George Edward Zenk
- G06 - COMPUTING CALCULATING COUNTING