Patent Assignment Details
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| Reel/Frame: | 005231/0219 | |
| Pages: | 2 |
| | Recorded: | 02/05/1990 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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01/29/1991
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Application #:
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07474607
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Filing Dt:
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02/05/1990
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Title:
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A DIGITAL TONE DETECTOR USING A RATIO OF TWO DEMODULATORS OF DIFFERING FREQUENCY
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Correspondence name and address
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JOHN A. FISHER
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MOTOROLA, INC., PATENT DEPT.,
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M/D: F4; 3501 ED BLUESTEIN BLVD.
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AUSTIN, TX 78721
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