Mark L. Petre

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Frankfort, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Electromechanical switch
- Patent number 4,967,044
- Issue date Oct 30, 1990
- Emhart Industries, Inc.
- Gregg V. Speer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electrical switch with improved mechanical assembly
- Patent number 4,870,228
- Issue date Sep 26, 1989
- Emhart Industries, Inc.
- Gregg V. Speer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Means electrically grounding a motor
- Patent number 4,623,764
- Issue date Nov 18, 1986
- Emhart Industries, Inc.
- Mark L. Petre
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Adjustable variable resistance control system
- Patent number 4,225,844
- Issue date Sep 30, 1980
- Emhart Industries, Inc.
- Ellis P. Lipp
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single pole double throw snap switch
- Patent number 4,195,208
- Issue date Mar 25, 1980
- Emhart Industries, Inc.
- Mark L. Petre
- H01 - BASIC ELECTRIC ELEMENTS