Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
Assignor Name :
FREY, FREDERICK W.
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Total Assignments:
5
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Assignment:
1
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Reel/Frame: | 004348/0585 | |
| Pages: | 1 |
| | Recorded: | 01/10/1985 | | |
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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06554900
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Correspondence name and address
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JOHN F. SIEBERTH
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PATENT & TRADEMARK DIV.
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ETHYL CORP.
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451 FLORIDA BLVD.
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BATON ROUGE, LA 70801
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Assignment:
2
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Reel/Frame: | 004348/0587 | |
| Pages: | 1 |
| | Recorded: | 01/10/1985 | | |
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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06554899
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Correspondence name and address
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JOHN F. SIEBERTH
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PATENT & TRADEMARK DIV.
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ETHYL CORP.
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451 FLORIDA BLVD.
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BATON ROUGE, LA 70801
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Assignment:
3
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Reel/Frame: | 004853/0357 | |
| Pages: | 1 |
| | Recorded: | 02/22/1988 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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A CORP. OF VIRGINIA |
RICHMOND, VIRGINIA |
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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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06926662
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Correspondence name and address
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JOHN F. SIEBERTH
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ETHYL CORP.
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451 FLORIDA BOULEVARD
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BATON ROUGE,LA. 70801
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Assignment:
4
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Reel/Frame: | 004798/0228 | |
| Pages: | 2 |
| | Recorded: | 12/02/1987 | | |
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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07051720
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Correspondence name and address
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JOHN F. SIEBERTH
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ETHYL CORPORATION
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451 FLORIDA BLVD.
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BATON ROUGE, LA 70801
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Assignment:
5
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Reel/Frame: | 005041/0214 | |
| Pages: | 3 |
| | Recorded: | 03/02/1989 | | |
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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07211831
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Correspondence name and address
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JOHN F. SIEBERTH
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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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