Edward R. Cronk

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Indianapolis, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Ferromagnetic core with variable shunt air gap
- Patent number 4,081,777
- Issue date Mar 28, 1978
- Thomas & Skinner, Inc.
- Edward R. Cronk
- G05 - CONTROLLING REGULATING
Information Patent Grant
Ferromagnetic core with variable shunt air gap and method of making it
- Patent number 4,080,725
- Issue date Mar 28, 1978
- Thomas & Skinner, Inc.
- Edward R. Cronk
- G05 - CONTROLLING REGULATING