Patent Assignment Details
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Reel/Frame: | 004641/0094 | |
| Pages: | 2 |
| | Recorded: | 12/05/1986 | | |
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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11/14/1989
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Application #:
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06938540
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Filing Dt:
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12/05/1986
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Title:
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HEARING AID EAR PIECE HAVING DISPOSABLE COMPRESSIBLE POLYMERIC FOAM SLEEVE
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Assignee
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A CORP OF DE. |
SAINT PAUL, MINNESOTA |
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Correspondence name and address
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JAMES V. LILLY
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3M/OFFICE OF PATENT COUNSEL
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P.O. BOX 33427
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ST. PAUL, MN 55133-3427
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