Glenn H. Whidden

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Oxon Hill, MD, US

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Patents Grantslast 30 patents

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Apparatus for detecting an electronic surveillance device
- Patent number 4,805,231
- Issue date Feb 14, 1989
- Glenn H. Whidden
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio frequency detection circuitry having noise discrimination cap...
- Patent number 4,414,534
- Issue date Nov 8, 1983
- Glenn H. Whidden
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for locating audio surveillance apparatus
- Patent number 4,399,556
- Issue date Aug 16, 1983
- Glenn H. Whidden
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitter detector
- Patent number 4,368,539
- Issue date Jan 11, 1983
- Glenn H. Whidden
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Device for locating audio surveillance apparatus
- Patent number 4,264,978
- Issue date Apr 28, 1981
- Glenn H. Whidden
- G01 - MEASURING TESTING