Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
Assignor Name :
DUHN OIL TOOL, INC
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Total Assignments:
1
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Assignment:
1
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Reel/Frame: | 020442/0486 | |
| Pages: | 9 |
| | Recorded: | 02/01/2008 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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500 W. MADISON |
CHICAGO, ILLINOIS 60661 |
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Pub #
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App #
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App #
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Pat #
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Pub #
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App #
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NONE
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07989202
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NONE
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08534127
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NONE
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09274857
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09798436
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09954354
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NONE
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10325047
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10369070
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10947778
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11272289
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NONE
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11581229
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11891431
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Correspondence name and address
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LAURA KONRATH
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WINSTON & STRAWN, LLP
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35 W. WACKER DR.
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CHICAGO, IL 60601
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