Patent Assignment Assignee Details
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For pending or abandoned applications please consult USPTO staff.
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Assignee Name :
QUAKER STATE CORPORATION
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Total Assignments:
4
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Assignment:
1
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| Reel/Frame: | 004812/0471 | |
| Pages: | 1 |
| | Recorded: | 11/10/1987 | | |
| Conveyance: | CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE JUNE 30, 1987 |
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Pat #
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Pat #
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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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06524946
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NONE
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06560485
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NONE
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06817484
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NONE
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06817484
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NONE
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06817484
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NONE
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07028082
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Correspondence name and address
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MASON, FENWICK & LAWRENCE
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STE. 1000
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1225 EYE ST., N.W.
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WASHINGTON, D.C. 20005
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Assignment:
2
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| Reel/Frame: | 006864/0600 | |
| Pages: | 3 |
| | Recorded: | 02/09/1994 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 225 ELM STREET |
| OIL CITY, PENNSYLVANIA 16301 |
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NONE
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29018564
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Correspondence name and address
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MASON, FENWICK & LAWRENCE
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NATHANIEL A. HUMPHRIES
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1225 EYE STREET, NW
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SUITE 1000
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WASHINGTON, DC 20005
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Assignment:
3
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| Reel/Frame: | 008393/0343 | |
| Pages: | 3 |
| | Recorded: | 03/11/1997 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 225 E. JOHN CARPENTER FREEWAY |
| IRVING, TEXAS 75062 |
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Pat #
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NONE
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08523379
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Correspondence name and address
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MCDONNELL BOEHNEN HULBERT & BERGHOFF
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A. BLAIR HUGHES
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300 SOUTH WACKER DRIVE
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CHICAGO, ILLINOIS 60606
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Assignment:
4
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| Reel/Frame: | 008393/0379 | |
| Pages: | 3 |
| | Recorded: | 03/11/1997 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 225 E. JOHN CARPENTER FREEWAY |
| IRVING, TEXAS 75062 |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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08738015
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Correspondence name and address
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MCDONNELL BOEHNEN HULBERT & BERGHOFF
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A. BLAIR HUGHES
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300 SOUTH WACKER DRIVE
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CHICAGO, IL 60606
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05/23/2024 10:39 AM
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