Edwin C. Underkoffler

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Schenectady, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Binary gas analyzer instrument and analysis method
- Patent number 4,891,629
- Issue date Jan 2, 1990
- General Electric Company
- Jagdish T. Gajjar
- G01 - MEASURING TESTING
Information Patent Grant
Telephone communications device for hearing-impaired person
- Patent number 4,426,555
- Issue date Jan 17, 1984
- General Electric Company
- Edwin C. Underkoffler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polyphase reference generator
- Patent number 4,327,420
- Issue date Apr 27, 1982
- General Electric Company
- Michael Gdula
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microcomputer controller and direct memory access apparatus therefor
- Patent number 4,122,520
- Issue date Oct 24, 1978
- General Electric Company
- John T. Adamchick
- G06 - COMPUTING CALCULATING COUNTING