William H. Dittmer

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Lexington, NE, US

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Patents Grantslast 30 patents

Information Patent Grant
Battery saving arrangement for selectively addressable, portable re...
- Patent number 5,384,564
- Issue date Jan 24, 1995
- Wycoff; Keith H.
- Keith H. Wycoff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selective call communication receiver
- Patent number 4,431,990
- Issue date Feb 14, 1984
- Wycoff; Keith H.
- Keith H. Wycoff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable bandwidth filter
- Patent number 4,429,279
- Issue date Jan 31, 1984
- Wycoff; Keith H.
- Keith H. Wycoff
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal absence detector
- Patent number 4,419,765
- Issue date Dec 6, 1983
- Wycoff; Keith H.
- Keith H. Wycoff
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Selective call communication receiver
- Patent number 4,385,398
- Issue date May 24, 1983
- Wycoff; Keith H.
- Keith H. Wycoff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Decoder operable only on reception of predetermined number of words
- Patent number 4,114,142
- Issue date Sep 12, 1978
- Wycoff; Keith H.
- Keith H. Wycoff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE