William J. Schaad

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Winnetka, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Push button switches having improved carriage, contactor and contac...
- Patent number 4,447,688
- Issue date May 8, 1984
- Indak Manufacturing Corp.
- William J. Schaad
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button switches having contact structures to avoid detent acti...
- Patent number 4,412,109
- Issue date Oct 25, 1983
- Indak Manufacturing Corp.
- William J. Schaad
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button switch having latching spring arm molded on plastic casing
- Patent number 4,392,029
- Issue date Jul 5, 1983
- Indak Manufacturing Corp.
- William J. Schaad
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical reversing switch
- Patent number 4,168,405
- Issue date Sep 18, 1979
- Indak Manufacturing Corp.
- Andrew F. Raab
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push-button electrical switch
- Patent number 4,053,726
- Issue date Oct 11, 1977
- Indak Manufacturing Corporation
- William J. Schaad
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heavy duty push-button electrical switch
- Patent number 3,940,585
- Issue date Feb 24, 1976
- Indak Manufacturing Corporation
- William J. Schaad
- H01 - BASIC ELECTRIC ELEMENTS