Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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05/31/1988
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Application #:
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07032479
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Filing Dt:
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03/30/1987
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Inventors:
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WILLIAM F. BUTTERFIELD, KUANG-CHOU CHANG, EDMUND J. MC LELLAND, LEONARD POLIZZOTTO
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Title:
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CONTRAST ENHANCEMENT FILTER
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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549 TECHNOLOGY SQUARE |
CAMBRIDGE, MASSACHUSETTS 02139 |
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POLAROID CORPORATION |
PATENT DEPT. |
549 TECHNOLOGY SQUARE |
CAMBRIDGE, MA 02139 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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P.O. BOX 33427 |
ST. PAUL, MINNESOTA 55133 |
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OFFICE OF INTELLECTUAL PROPERTY COUNSEL |
STEPHEN W. BUCKINGHAM |
3M INNOVATIVE PROPERTIES COMPANY |
P.O. BOX 33427 |
ST. PAUL, MN 55133-3427 |
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