Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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NONE
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Issue Dt:
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Application #:
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15831306
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Filing Dt:
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12/04/2017
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Publication #:
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Pub Dt:
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04/19/2018
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Inventors:
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Michael J. Harris, Kenneth J. Anton
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Title:
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Frac Plug
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Assignment:
1
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NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
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| 7850 NORTH SAM HOUSTON PARKWAY WEST - SUITE 100 |
| HOUSTON, TEXAS 77064 |
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| KEITH B. WILLHELM |
| 681 N. POST OAK LANE |
| HOUSTON, TX 77024 |
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Assignment:
2
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SECOND AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT
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| 500 FIRST AVENUE |
| PITTSBURG, PENNSYLVANIA 15219 |
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| HOLLAND & KNIGHT LLP |
| 10 ST. JAMES AVE. |
| 11TH FLOOR |
| BOSTON, MA 02116 |
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