William L. Kelver

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Cassopolis, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable resistance control
- Patent number 4,020,445
- Issue date Apr 26, 1977
- CTS Corporation
- William L. Kelver
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Variable resistance control
- Patent number 3,953,821
- Issue date Apr 27, 1976
- CTS Corporation
- William L. Kelver
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch assembly having slider actuator insulating plate inserted be...
- Patent number 3,944,760
- Issue date Mar 16, 1976
- CTS Corporation
- John Zdanys
- H01 - BASIC ELECTRIC ELEMENTS