Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 006840/0425 | |
| Pages: | 7 |
| | Recorded: | 12/16/1993 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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04/09/1996
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Application #:
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08168887
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Filing Dt:
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12/16/1993
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Title:
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ETCHING OF SILICON DIOXIDE SELECTIVELY TO SILICON NITRIDE AND POLYSILICON
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Assignee
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| OLD ORCHARD ROAD |
| ARMONK, NEW YORK 10504 |
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Correspondence name and address
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IBM CORPORATION
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HAROLD HUBERFELD
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INTELLECTUAL PROPERTY LAW DEPT.
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DEPT. 18G/BLDG. 300482, 1580 RT. 52
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HOPEWELL JUNCTION, NY 12533-6531
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