Magic Dot, Inc.

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Membrane switch apparatus
- Patent number 4,034,176
- Issue date Jul 5, 1977
- Magic Dot, Inc.
- Willis August Larson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Touch actuated electronic switch
- Patent number 4,002,923
- Issue date Jan 11, 1977
- Magic Dot, Inc.
- Willis A. Larson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Membrane keyboard apparatus
- Patent number 3,995,126
- Issue date Nov 30, 1976
- Magic Dot, Inc.
- Willis August Larson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Touch actuated electronic switch including protection from high pot...
- Patent number 3,992,634
- Issue date Nov 16, 1976
- Magic Dot, Inc.
- Willis A. Larson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Membrane keyboard apparatus having common apertured electrode, aper...
- Patent number 3,988,551
- Issue date Oct 26, 1976
- Magic Dot, Inc.
- Willis August Larson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Touch actuated electronic switch
- Patent number 3,947,696
- Issue date Mar 30, 1976
- Magic Dot, Inc.
- Willis A. Larson
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Trademarklast 30 trademarks