John R. Henkel

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Davenport, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Battery chargers for secondary cells of batteries, which control th...
- Patent number 5,173,652
- Issue date Dec 22, 1992
- John R. Henkel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery chargers for secondary cells, and or batteries
- Patent number 4,670,700
- Issue date Jun 2, 1987
- Exciter Battery & Electric Company, Inc.
- John R. Henkel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER