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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 31 2012 | FRAZIER, WARREN LYNN | MAGNUM OIL TOOLS, L P | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030042 | /0459 |
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| Dec 31 2012 | FRAZIER, PATRICIA A | MAGNUM OIL TOOLS, L P | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 030042 | /0459 |
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| Dec 31 2012 | FRAZIER, W LYNN | MAGNUM OIL TOOLS, L P | CORRECTIVE ASSIGNMENT TO CORRECT THE PATENT LIST ON EXHIBIT A PREVIOUSLY RECORDED ON REEL 030042 FRAME 0459 ASSIGNOR S HEREBY CONFIRMS THE DELETING PATENT NOS 6412388 AND 7708809 ADDING PATENT NO 7708066 | 033958 | /0385 |
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| Dec 31 2012 | FRAZIER, PATRICIA | MAGNUM OIL TOOLS, L P | CORRECTIVE ASSIGNMENT TO CORRECT THE PATENT LIST ON EXHIBIT A PREVIOUSLY RECORDED ON REEL 030042 FRAME 0459 ASSIGNOR S HEREBY CONFIRMS THE DELETING PATENT NOS 6412388 AND 7708809 ADDING PATENT NO 7708066 | 033958 | /0385 |
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| Feb 06 2017 | MAGNUM OIL TOOLS, L P | MAGNUM OIL TOOLS INTERNATIONAL LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042402 | /0450 |
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| Feb 06 2017 | FRAZIER TECHNOLOGIES, L L C | MAGNUM OIL TOOLS INTERNATIONAL LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042402 | /0450 |
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| Feb 06 2017 | MAGNUM OIL TOOLS INTERNATIONAL, L L C | MAGNUM OIL TOOLS INTERNATIONAL LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042402 | /0450 |
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| Feb 06 2017 | FRAZIER, DERRICK | MAGNUM OIL TOOLS INTERNATIONAL LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042402 | /0450 |
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| Feb 06 2017 | FRAZIER, GARRETT | MAGNUM OIL TOOLS INTERNATIONAL LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042402 | /0450 |
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| Feb 06 2017 | FRAZIER, W LYNN | MAGNUM OIL TOOLS INTERNATIONAL LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 042402 | /0450 |
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| Nov 03 2021 | MAGNUM OIL TOOLS INTERNATIONAL, LTD | Nine Downhole Technologies, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 058025 | /0914 |
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| Jan 30 2023 | Nine Downhole Technologies, LLC | JPMORGAN CHASE BANK, N A , AS ADMINISTRATIVE AGENT | PATENT SECURITY AGREEMENT ABL | 062546 | /0076 |
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| Jan 30 2023 | NINE ENERGY SERVICE, INC | JPMORGAN CHASE BANK, N A , AS ADMINISTRATIVE AGENT | PATENT SECURITY AGREEMENT ABL | 062546 | /0076 |
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| Jan 30 2023 | NINE ENERGY SERVICE, INC | U S BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT | PATENT SECURITY AGREEMENT NOTES | 062545 | /0970 |
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| Jan 30 2023 | Nine Downhole Technologies, LLC | U S BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT | PATENT SECURITY AGREEMENT NOTES | 062545 | /0970 |
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| Jan 30 2023 | MAGNUM OIL TOOLS INTERNATIONAL, LTD | U S BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT | PATENT SECURITY AGREEMENT NOTES | 062545 | /0970 |
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| Jan 30 2023 | MAGNUM OIL TOOLS INTERNATIONAL, LTD | JPMORGAN CHASE BANK, N A , AS ADMINISTRATIVE AGENT | PATENT SECURITY AGREEMENT ABL | 062546 | /0076 |
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