John W. Kroll

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Greendale, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Bistable SME actuator with retainer
- Patent number 4,887,430
- Issue date Dec 19, 1989
- Eaton Corporation
- John W. Kroll
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Thermally actuated variable-rating circuit breaker having adjustabl...
- Patent number 4,570,144
- Issue date Feb 11, 1986
- Eaton Corporation
- Robert B. Bridges
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin-film magnetically operated micromechanical electric switching...
- Patent number 4,570,139
- Issue date Feb 11, 1986
- Eaton Corporation
- John W. Kroll
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrothermally actuated switch
- Patent number 4,520,336
- Issue date May 28, 1985
- Eaton Corporation
- Jerome K. Hastings
- H01 - BASIC ELECTRIC ELEMENTS