Patent Assignment Details
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Reel/Frame: | 005044/0273 | |
| Pages: | 4 |
| | Recorded: | 04/12/1989 | | |
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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06/13/1989
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Application #:
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07092558
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Filing Dt:
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09/03/1987
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Title:
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DRILLING APPARATUS AND METHOD
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Assignees
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146 MAIN STREET |
MAYNARD, MASSACHUSETTS 01754 |
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P.O. BOX 543 |
WALTHAM, MASSACHUSETTS 02254 |
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Correspondence name and address
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KENYON & KENYON
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1025 CONNECTICUT AVE., NW
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WASHINGTON, DC 20036
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