Patent Assignment Details
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Reel/Frame: | 005360/0436 | |
| Pages: | 21 |
| | Recorded: | 07/11/1990 | | |
Conveyance: | MERGER (SEE DOCUMENT FOR DETAILS). 6/01/90 - CANADA |
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Total properties:
1
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Patent #:
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Issue Dt:
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10/27/1987
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Application #:
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06641397
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Filing Dt:
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08/16/1984
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Title:
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RECIPROCATING VARIABLE OPTICAL ATTENUATOR FILTER
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Correspondence name and address
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GEORGE H. SPENCER
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SPENCER & FRANK
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1111 NINETEENTH STREET, N.W.
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WASHINGTON, DC 20036
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