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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03/17/1998
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Application #:
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08421243
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Filing Dt:
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04/13/1995
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Inventor:
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ANDREW SQUIRES
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Title:
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WELL ROD CENTRALIZER/CENTRALIZER STOP INTERFACE WITH WEAR REDUCING SURFACE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| #300,333-5 AVE. S.W. |
| CALGARY PROV. ALBERTA, CANADA T2P 3 |
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| STANLEY E. JOHNSON |
| PERELEY-ROBERTSON,PANET ET AL |
| 830-99 BANK STREET |
| OTTAWA, ONTARIO K1P 6C1 CANADA |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 9830 - 45TH AVENUE |
| EDMONTON, ALBERTA, CANADA |
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| BROWNING BUSHMAN |
| LOREN G. HELMREICH |
| 5718 WESTHEIMER |
| SUITE 1800 |
| HOUSTON, TX 77057 |
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Assignment:
3
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| 227 W. MONROE |
| CHICAGO, ILLINOIS 60606 |
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| LAURA KONRATH |
| WINSTON & STRAWN LLP |
| 35 W. WACKER DR. |
| CHICAGO, IL 60601 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 10586 HIGHWAY 75 NORTH |
| WILLIS, TEXAS 77378 |
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| LOREN G. HELMREICH, BROWNING BUSHMAN PC |
| SUITE 1800 |
| 5718 WESTHEIMER |
| HOUSTON, TX 77057 |
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Assignment:
5
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PATENT RELEASE OF SECURITY INTEREST
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| 10586 US HIGHWAY 75 NORTH |
| WILLIS, TEXAS 77378 |
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| LAURA KONRATH |
| WINSTON & STRAWN LLP |
| 35 W. WACKER DR. |
| CHICAGO, ILLINOIS 60601 |
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