Patent Assignment Details
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Reel/Frame: | 005089/0726 | |
| Pages: | 1 |
| | Recorded: | 06/12/1989 | | |
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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01/22/1991
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Application #:
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07365243
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Filing Dt:
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06/12/1989
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Title:
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METHOD AND APPARATUS FOR DETECTING FOCUS AND TRACKING ERRORS
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Assignee
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A CORP. OF MA |
MAYNARD, MASSACHUSETTS |
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Correspondence name and address
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ROBERT E. HILLMAN
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FISH & RICHARDSON
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ONE FINANCIAL CENTER
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SUITE 2500
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BOSTON, MA 02111-2658
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