Patent Assignment Details
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Reel/Frame: | 004940/0874 | |
| Pages: | 2 |
| | Recorded: | 05/13/1988 | | |
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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07/10/1990
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Application #:
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07193659
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Filing Dt:
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05/13/1988
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Title:
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TWIN-SHAFT,MULTIPLE-STAGE VACUUM PUMP WITH THE SHAFTS VERTICALLY DISPOSED
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Correspondence name and address
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SPENCER & FRANK
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1111 - 19TH STREET, N.W.
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WASHINGTON, DC 20036
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