Patent Assignment Details
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Reel/Frame: | 004855/0459 | |
| Pages: | 2 |
| | Recorded: | 03/25/1988 | | |
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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05/01/1990
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Application #:
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07173510
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Filing Dt:
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03/25/1988
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Title:
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CIRCUITRY FOR RECOGNIZING TWO-TONE COMPOUND SIGNALS IN TELEPHONE INSTALLATIONS
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Assignee
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FUERSTENALLEE 7 |
4790 PADERBORN, GERMANY |
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Correspondence name and address
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THOMAS K. ZIEGLER
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CULLEN, SLOMAN, CANTOR, GRAUER,
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SCOTT & RUTHERFORD
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2400 PENOBSCOT BUILDING
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DETROIT, MI 48226-4282
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