Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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08/30/1988
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Application #:
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07002637
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Filing Dt:
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01/12/1987
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Inventor:
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HARRY J. MARSHALL
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Title:
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GLASS MICROBUBBLES
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| ATTN: RICHARD E. BRINK |
| OFFICE OF PATENT COUNSEL/3M |
| P. O. BOX 33427 |
| ST. PAUL, MN 55133 |
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