Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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04/26/2022
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Application #:
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16256025
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Filing Dt:
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01/24/2019
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Publication #:
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Pub Dt:
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05/23/2019
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Inventors:
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Rennie K. Zazula, Donald T. Crosswhite, Dean M. Bird
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Title:
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SYSTEMS, APPARATUSES, AND METHODS FOR TREATING DRILLING FLUID
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 6621 45TH STREET |
| LEDUC, ALBERTA, CANADA T9E 7E3 |
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| NATIONAL OILWELL VARCO |
| C/O AMERSON LAW FIRM, PLLC |
| 2500 FONDREN ROAD, SUITE 220 |
| HOUSTON, TX 77063 |
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Assignment:
2
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CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S NAME PREVIOUSLY RECORDED AT REEL: 048120 FRAME: 0100. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
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| 6621 45TH STREET |
| LEDUC, ALBERTA,, CANADA T9E 7E3 |
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| SCHWEGMAN LUNDBERG & WOESSNER, P.A. |
| P.O. BOX 2938 |
| MINNEAPOLIS, MN 55402 |
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Assignment:
3
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MERGER (SEE DOCUMENT FOR DETAILS).
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| 4300 BANKERS HALL WEST |
| 888 - 3RD STREET S.W. |
| CALGARY, ALBERTA, T2P 5C5, CANADA 16256025 |
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| SCHWEGMAN LUNDBERG & WOESSNER, P.A. |
| P.O. BOX 2938 |
| MINNEAPOLIS, MN 55402 |
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Assignment:
4
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MERGER (SEE DOCUMENT FOR DETAILS).
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| 4300 BANKERS HALL WEST |
| 888 - 3RD STREET S.W. |
| CALGARY, ALBERTA, T2P 5C5, CANADA |
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| SCHWEGMAN LUNDBERG & WOESSNER, P.A. |
| P.O. BOX 2938 |
| MINNEAPOLIS, MN 55402 |
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