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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05/15/1984
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Application #:
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06321260
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Filing Dt:
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11/13/1981
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Inventor:
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ERIK A. PERSSON
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Title:
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EARTH BORING DEVICE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| HIRSCHMATTSTRASSE 36 |
| A CORP OF SWITZERLAND |
| LUZERN, SWITZERLAND CH-6002 |
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| BURNS, DOANE, SWECKER & MATHIS |
| GEORGE MASON BLDG. |
| WASHINGTON & PRINCE STS. |
| ALEXANDRIA, VA 22313 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| ALPENQUAI 12 |
| CH-6002, LUCERNE, SWITZERLAND |
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| BURNS, DOANE, SWECKER & MATHIS |
| GEORGE MASON BLDG. |
| WASHINGTON & PRINCE ST., |
| ALEXANDRIA, VA 22313 |
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