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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11/08/2016
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Application #:
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14537171
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Filing Dt:
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11/10/2014
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Publication #:
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Pub Dt:
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05/28/2015
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Inventors:
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Joseph Michael Sparkman, Charles Vora, Aaron Chang
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Title:
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BOX-ON-BOX SELF-STACKING SUBSTRUCTURE FOR A DRILL RIG
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 7130 SOUTH LEWIS |
| 1000 KENSINGTON, TOWER I |
| TULSA, OKLAHOMA 74136 |
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| MCAFEE & TAFT TENTH FLOOR, TWO LEADERSHI |
| 211 NORTH ROBINSON |
| OKLAHOMA CITY, OK 73102 |
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