Edwina K. Dulen

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Fox Lake, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Material for electrical devices having a flexible member
- Patent number 4,420,663
- Issue date Dec 13, 1983
- Oak Industries Inc.
- Willis A. Larson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Membrane switch having a puff ink spacer
- Patent number 4,324,962
- Issue date Apr 13, 1982
- Oak Industries Inc.
- Edwina K. Dulen
- H01 - BASIC ELECTRIC ELEMENTS