Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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12/26/2017
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Application #:
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13817635
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Filing Dt:
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05/02/2013
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Publication #:
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Pub Dt:
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08/15/2013
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Inventor:
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Carl Keith Smith
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Title:
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DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 625, 404 - 6 AVENUE SW |
| CALGARY, CANADA T2P 0R9 |
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| ROSEANN B. CALDWELL, BENNETT JONES LLP |
| 4500 BANKERS HALL EAST |
| 855-2ND STREET SW |
| CALGARY, T2P 4K7 CANADA |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 1400, 700 - 4TH AVENUE SW |
| CALGARY, CANADA T2P 2X6 |
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| ROSEANN B. CALDWELL, BENNETT JONES LLP |
| 4500 BANKERS HALL EAST |
| 855-2ND STREET SW |
| CALGARY, T2P 4K7 CANADA |
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Assignment:
3
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| 720 KING STREET WEST |
| TORONTO, CANADA M5B2T3 |
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| CONSTANCE GALL RHEBERGEN |
| P.O. BOX 61389 |
| HOUSTON, TX 77208-1389 |
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