Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 003844/0282 | |
| Pages: | 2 |
| | Recorded: | 04/08/1981 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
3
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Patent #:
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Issue Dt:
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02/06/1973
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Application #:
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05181165
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Filing Dt:
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09/16/1971
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Title:
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SELECTIVE TONE SIGNALLING APPARATUS
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Patent #:
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Issue Dt:
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08/28/1973
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Application #:
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05229335
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Filing Dt:
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02/25/1972
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Title:
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MESSAGE GENERATOR
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Patent #:
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Issue Dt:
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Application #:
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05581731
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Filing Dt:
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Title:
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Assignee
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| A CORP. OF MASS. |
| LOWELL, MASSACHUSETTS |
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Correspondence name and address
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FISH AND RICHARDSON
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28 STATE ST
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BOSTON, MASS. 02109
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