Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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Reel/Frame: | 005903/0811 | |
| Pages: | 6 |
| | Recorded: | 11/12/1991 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
3
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Patent #:
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Issue Dt:
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Application #:
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05408311
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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02/15/1983
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Application #:
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06182543
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Filing Dt:
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08/29/1980
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Title:
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SOUND INSULATING MATERIAL
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Patent #:
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Issue Dt:
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02/18/1992
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Application #:
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07378896
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Filing Dt:
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07/12/1989
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Title:
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MASS AND SPRING SYSTEMS FOR SOUNDPROOFING
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Assignee
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HEIDELBERG, FEDERAL REPUBLIC OF GERMANY |
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Correspondence name and address
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VALERIE E. LOOPER
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W. R. GRACE & CO. CONN.
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7379 ROUTE 32
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COLUMBIA, MARYLAND 21044
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