Patent Assignment Assignee Details
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For pending or abandoned applications please consult USPTO staff.
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Assignee Name :
ETHYL DEVELOPMENT CORPORATION
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Total Assignments:
8
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Assignment:
1
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| Reel/Frame: | 003798/0517 | |
| Pages: | 1 |
| | Recorded: | 09/08/1980 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| A CORP. OF DE |
| BATON ROUGE, LOUISIANA |
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Pat #
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App #
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NONE
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05963849
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Correspondence name and address
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DONALD L. JOHNSON
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ETHYL CORP., P. O. BOX 341
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BATON ROUGE, LA. 70821
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Assignment:
2
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| Reel/Frame: | 003920/0582 | |
| Pages: | 3 |
| | Recorded: | 10/22/1981 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| A COR. OF DE. |
| BATON ROUGE, LOUISIANA |
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Pat #
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NONE
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06067732
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Correspondence name and address
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JOHN E. SIEBERTH
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PATENT & TRADEMARK DIVISION
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ETHYL CORP.41
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451 FLORIDA BOULEVARD
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BATON ROUGE, LA. 70801
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Assignment:
3
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| Reel/Frame: | 004079/0315 | |
| Pages: | 1 |
| | Recorded: | 01/13/1983 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| A CORP. OF DEL. |
| BATON ROUGE, LOUISIANA |
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Pat #
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App #
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NONE
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06301834
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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:
4
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| Reel/Frame: | 004071/0898 | |
| Pages: | 1 |
| | Recorded: | 12/20/1982 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Intl #
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App #
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NONE
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06239995
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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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P. O. BOX 341
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BATON ROUGE, LA 70821
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Assignment:
5
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| Reel/Frame: | 004206/0924 | |
| Pages: | 2 |
| | Recorded: | 01/11/1984 | | |
| 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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06367653
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Correspondence name and address
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JAMES E. STEPENSON
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STEPHENSON AND BOLLER, P.C.
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750 CITY CENTER BLDG.
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ANN ARBOR, MI. 48104
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Assignment:
6
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| Reel/Frame: | 004353/0249 | |
| Pages: | 1 |
| | Recorded: | 01/16/1985 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| A CORP OF DE |
| BATON ROUGE, LOUISIANA |
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Pat #
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Intl #
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App #
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NONE
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06404413
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Correspondence name and address
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BURNS, DOANE, SWECKER & MATHIS
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GEORGE MASON BUILDING
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WASHINGTON & PRINCE STREETS
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ALEXANDRIA, VA 22313-1404
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Assignment:
7
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| Reel/Frame: | 004353/0250 | |
| Pages: | 1 |
| | Recorded: | 01/16/1985 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| A CORP OF DE |
| RICHMOND, VIRGINIA |
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Pat #
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Intl #
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App #
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NONE
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06406211
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Correspondence name and address
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BURNS, DOANE, SWECKER & MATHIS
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GEOGE MASON BUILDING
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WASHINGTON & PRINCE STREETS
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ALEXANDRIA, VA 22313-1404
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Assignment:
8
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| Reel/Frame: | 004267/0559 | |
| Pages: | 2 |
| | Recorded: | 06/01/1984 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| 330 SOUTH FOURTH STREET |
| A CORP. OF DE |
| RICHMOND, VIRGINIA 23217 |
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Pat #
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Pat #
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Intl #
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App #
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NONE
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04887939
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NONE
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05367701
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Correspondence name and address
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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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05/24/2024 04:31 PM
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