Patent Assignment Details
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Reel/Frame: | 005161/0638 | |
| Pages: | 3 |
| | Recorded: | 10/16/1989 | | |
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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07407899
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Filing Dt:
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09/15/1989
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Title:
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METHOD AND APPARATUS FOR PREVENTING PAY TELEPHONE FRAUD AND REDUCING HANDSET VANDALISM
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Assignee
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6885 ELM STREET |
MCLEAN, VIRGINIA 22101-3883 |
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Correspondence name and address
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PETER H. PRIEST
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DAVIS HOXIE FAITHFULL & HAPGOOD
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45 ROCKEFELLER PLAZA
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NEW YORK, NY 10111
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