Patent Assignment Details
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Reel/Frame: | 006299/0880 | |
| Pages: | 4 |
| | Recorded: | 11/12/1992 | | |
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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04/20/1993
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Application #:
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07491431
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Filing Dt:
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03/09/1990
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Title:
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SYSTEM FOR CONTROLLING ACCESS TO A SECURE SYSTEM BY VERIFYING ACCEPTABILITY OF PROPOSED PASSWORD BY USING HASHING AND GROUP OF UNACCEPTABLE PASSWORDS
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Assignee
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111 POWDERMILL ROAD |
MAYNARD, MASSACHUSETTS 01754 |
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Correspondence name and address
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THOMAS W. HUMPHREY
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FISH & RICHARDSON
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225 FRANKLIN STREET
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BOSTON, MA 02110- 2804
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