Patent Assignment Details
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| Reel/Frame: | 004676/0113 | |
| Pages: | 3 |
| | Recorded: | 03/06/1987 | | |
| 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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02/07/1989
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Application #:
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07022890
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Filing Dt:
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03/06/1987
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Title:
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HOLD DETECTING AND CONTROL CIRCUIT FOR A KEY TELEPHONE SYSTEM
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Correspondence name and address
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MICHAEL L. DUNN
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DUNN & ASSOCIATES
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P. O. BOX 96
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NEWFANE, NY 14108
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