Michael H. Grace

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Griffith, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Forced commutation chopper having current limit
- Patent number 3,993,942
- Issue date Nov 23, 1976
- Allis-Chalmers Corporation
- Harvey E. Schmidt
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Time-ratio control having bidirectional speed potentiometer
- Patent number 3,982,161
- Issue date Sep 21, 1976
- Allis-Chalmers Corporation
- Michael H. Grace
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Reel arrangement for electric wiring
- Patent number 3,959,608
- Issue date May 25, 1976
- Allis-Chalmers Corporation
- Thomas J. Finlayson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Electric truck having elevated load potential energy recovery with...
- Patent number 3,947,744
- Issue date Mar 30, 1976
- Allis-Chalmers Corporation
- Michael H. Grace
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL