Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
CHEN, Y.-D. MARK
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Total Assignments:
2
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Assignment:
1
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| Reel/Frame: | 005773/0764 | |
| Pages: | 2 |
| | Recorded: | 07/22/1991 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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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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07558094
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Correspondence name and address
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PHILIP M. PIPPENGER
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PATENT & TRADEMARK DIVISION
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ETHYL CORPORATION
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451 FLORIDA BOULEVARD
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BATON ROUGE, LA 70801
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Assignment:
2
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| Reel/Frame: | 006629/0326 | |
| Pages: | 2 |
| | Recorded: | 07/26/1993 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 330 SOUTH FOURTH STREET |
| RICHMOND, VIRGINIA 23219 |
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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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07878265
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Correspondence name and address
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MR. PHILIP M. PIPPENGER
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PATENT AND TRADEMARK DIVISION
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ETHYL CORPORATION
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451 FLORIDA BOULEVARD
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BATON ROUGE, LA 70801
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