Patent Assignment Details
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| Reel/Frame: | 004007/0589 | |
| Pages: | 1 |
| | Recorded: | 06/28/1982 | | |
| 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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06/15/1982
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Application #:
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06214121
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Filing Dt:
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12/08/1980
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Title:
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PISTON RING COATINGS
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Assignee
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| KOPPERS BUILDING, |
| A CORP. OF DE. |
| PITTSBURGH, PENNSYLVANIA 15219 |
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Correspondence name and address
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THOMAS L. SIVAK
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KOPPERS COMPANY, INC. 1450 KOPPERS BLDG.
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PITTSBURGH, PA. 15219
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