Donald B. Abel

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Appleton, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for selectively controlling a plurality of electric motors
- Patent number 5,087,864
- Issue date Feb 11, 1992
- Abel Manufacturing Co., Inc.
- Donald B. Abel
- G05 - CONTROLLING REGULATING
Information Patent Grant
Apparatus for selectively controlling a plurality of electric motors
- Patent number 4,947,089
- Issue date Aug 7, 1990
- Abel Manufacturing Co., Inc.
- Donald B. Abel
- G05 - CONTROLLING REGULATING