Patent Assignment Details
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Reel/Frame: | 004340/0899 | |
| Pages: | 2 |
| | Recorded: | 11/19/1984 | | |
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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12/23/1986
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Application #:
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06672559
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Filing Dt:
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11/19/1984
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Title:
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SYSTEM FOR PREVENTING THE OVERWRITING OF PREVIOUSLY OPTICALLY RECORDED DATA AND FOR READING OPTICALLY RECORDED DATA DURING WRITING
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Assignee
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A CORP. OF NY |
ARMONK, NEW YORK 10504 |
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Correspondence name and address
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HOMER I. KNEARL
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IBM CORP., PATENT OPERATIONS
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DEPT. 917/BLDG. 020-2
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HIGHWAY 52 & 37TH ST., N.W.
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ROCHESTER, MN 55901
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