Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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02/28/1984
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Application #:
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06485111
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Filing Dt:
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04/14/1983
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Inventors:
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VIRGIL M. PONTES, LAWRENCE C. YOUNG
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Title:
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CORE-ENGAGER RETAINER FOR AN EXPANSIBLE SHAFT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A CORP. OF MA |
| BROCKTON, MASSACHUSETTS |
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| FISH & RICHARDSON |
| 28 STATE STREET |
| BOSTON, MA 02109 |
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Assignment:
2
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). 11/28/90
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| HALE AND DORR |
| 60 STATE STREET |
| BOSTON, MA 02109 |
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