Merlin R. Dummer

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Arab, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Half and full wave energizing system for permanent magnet D.C. motors
- Patent number 4,220,901
- Issue date Sep 2, 1980
- Eaton Corporation
- Merlin R. Dummer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Manual switch for portable tools
- Patent number 4,200,781
- Issue date Apr 29, 1980
- Eaton Corporation
- Merlin R. Dummer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric switches having selectable and adjustable pre-travels
- Patent number 4,027,127
- Issue date May 31, 1977
- Cutler-Hammer, Inc.
- Merlin R. Dummer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pretravel switch for portable tools
- Patent number 3,961,146
- Issue date Jun 1, 1976
- Cutler-Hammer, Inc.
- Merlin R. Dummer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Trigger speed control switch with plastic pack semi-conductor
- Patent number 3,936,708
- Issue date Feb 3, 1976
- Cutler-Hammer, Inc.
- Merlin R. Dummer
- H01 - BASIC ELECTRIC ELEMENTS