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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04/20/1982
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Application #:
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06230548
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Filing Dt:
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02/02/1981
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Inventors:
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DAVID J. ACHTEN, ROBERT W. FRITTS
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Title:
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QUICK-ERECT PORTABLE DISPLAY STRUCTURE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A CORP. OF DEL. |
| ST. PAUL, MINNESOTA |
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| JOHN C. BARNES |
| 3M CO., OFFICE OF PATENT COUNSEL |
| P.O. BOX 33427 |
| ST. PAUL, MN 55133 |
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