Patent Assignment Abstract of Title
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Total Assignments:
5
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Patent #:
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Issue Dt:
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05/29/2001
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Application #:
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09326053
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Filing Dt:
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06/04/1999
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Inventors:
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ROBERT LAWRENCE RYLL, COLIN GEORGE REID
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Title:
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CEMENTING PLUG
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 7720 - 17 STREET |
| EDMONTON, ALBERTA, CANADA T6P |
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| CHRISTENSEN O'CONNOR JOHNSON ET AL |
| MARCIA S. KELBON |
| 1420 FIFTH AVENUE, SUITE 2800 |
| SEATTLE, WA 98101-2347 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 7720 - 17 STREET |
| EDMONTON, ALBERTA, CANADA T6P 1S7 |
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| KEVAN L. MORGAN, ESQ. |
| CHRISTENSEN O'CONNOR JOHNSON KINDNESS |
| 1420 FIFTH AVENUE, SUITE 2800 |
| SEATTLE, WA 98101-2347 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 7730 - 17 STREET |
| EDMONTON, ALBERTA, CANADA T6P 1S7 |
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| NATHAN WOODRUFF |
| 200, 10328 - 81 AVENUE NW |
| EDMONTON, ALBERTA, T6E 1X2 CANADA |
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Assignment:
4
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SUPPLEMENT NO. 1 TO AMENDED AND RESTATED TRADEMARK AND PATENT SECURITY AGREEMENT
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| 2100 ROSS AVE. |
| SUITE 1850 |
| DALLAS, TEXAS 75201 |
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| HOLLAND & KNIGHT LLP |
| 10 ST. JAMES AVE. |
| 11TH FLOOR |
| BOSTON, MA 02116 |
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Assignment:
5
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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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