Patent Assignment Details
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| Reel/Frame: | 005417/0913 | |
| Pages: | 4 |
| | Recorded: | 08/06/1990 | | |
| 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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02/18/1992
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Application #:
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07563039
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Filing Dt:
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08/06/1990
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Title:
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BARRIER AND ALARM FOR BLOCKING A PASSAGEWAY
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Assignee
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| 192 NEW BOSTON ST., A CORP. OF MA |
| DBA WILLIS ASSOCIATES |
| WOBURN, MASSACHUSETTS 01801 |
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Correspondence name and address
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DAVID WOLF
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WOLF, GREENFIELD & SACKS
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FEDERAL RESERVE PLAZA
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600 ATLANTIC AVENUE
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BOSTON, MA 02210-2211
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