Patent Assignment Details
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| Reel/Frame: | 008252/0061 | |
| Pages: | 5 |
| | Recorded: | 11/12/1996 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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11/03/1998
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Application #:
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08689219
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Filing Dt:
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08/07/1996
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Title:
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APPARATUS AND METHOD FOR DETERMINING THE PRESENCE AND POLARITY OF DIRECT CURRENT BIAS VOLTAGE FOR MICROPHONES IN TELEPHONE SETS
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Assignee
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| 4800 NW 1ST STREET |
| LINCOLN, NEBRASKA 68521 |
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Correspondence name and address
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ZARLEY, MCKEE, THOMTE ET AL.
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MARK D. HANSING
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801 GRAND AVENUE, STE. 3200
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DES MOINES, IA 50309-2721
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