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David L. Dilley
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Ft. Collins, CO, US
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last 30 patents
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Patent Grant
Apparatus and method for providing proper microphone DC bias curren...
Patent number
5,838,804
Issue date
Nov 17, 1998
Transcrypt International, Inc.
James R. Holthaus
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Apparatus and method for determining the presence and polarity of d...
Patent number
5,832,076
Issue date
Nov 3, 1998
Transcrypt International, Inc.
James R. Holthaus
H04 - ELECTRIC COMMUNICATION TECHNIQUE