Patent Assignment Details
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| Reel/Frame: | 004109/0570 | |
| Pages: | 2 |
| | Recorded: | 02/28/1983 | | |
| 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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01/01/1985
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Application #:
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06470150
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Filing Dt:
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02/28/1983
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Title:
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ELECTRONIC TONE RINGER
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Assignee
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| 600 MOUNTAIN AVE., MURRAY HILL |
| BERKELEY HEIGHTS, NEW JERSEY 07974 |
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Correspondence name and address
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S. E. HOLLANDER
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BELL TELEPHONE LABS., INCORP.
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600 MOUNTAIN AVE.
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MURRAY HILL, NJ 07974
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