J. Thomas Schaffer

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Temperance, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for cleaning hoses
- Patent number 5,322,571
- Issue date Jun 21, 1994
- Plummer Design & Technologies, Inc.
- Raymond G. Plummer
- B08 - CLEANING
Information Patent Grant
Apparatus and method for insuring and controlling turbulent flow fo...
- Patent number 5,287,867
- Issue date Feb 22, 1994
- Plummer Design & Technologies, Inc.
- Raymond G. Plummer
- B08 - CLEANING
Information Patent Grant
Electrostatic voltage control circuit
- Patent number 4,402,030
- Issue date Aug 30, 1983
- Champion Spark Plug Company
- Richard A. Moser
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER