Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
Assignor Name :
PRESSWOOD, J. KENNETH
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Total Assignments:
7
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Assignment:
1
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Reel/Frame: | 004608/0332 | |
| Pages: | 1 |
| | Recorded: | 09/18/1986 | | |
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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06809563
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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:
2
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Reel/Frame: | 005031/0896 | |
| Pages: | 1 |
| | Recorded: | 03/20/1989 | | |
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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07074716
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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:
3
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Reel/Frame: | 004941/0729 | |
| Pages: | 1 |
| | Recorded: | 09/06/1988 | | |
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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07158836
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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 BLVD.
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BATON ROUGE,LA. 70801
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Assignment:
4
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Reel/Frame: | 005137/0724 | |
| Pages: | 1 |
| | Recorded: | 09/06/1989 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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A CORP. OF VA |
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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07261614
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Correspondence name and address
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P. 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:
5
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Reel/Frame: | 005580/0444 | |
| Pages: | 2 |
| | Recorded: | 01/29/1991 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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A CORP. OF VA |
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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07338986
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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:
6
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Reel/Frame: | 005712/0190 | |
| Pages: | 2 |
| | Recorded: | 05/28/1991 | | |
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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07338985
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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:
7
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Reel/Frame: | 005566/0351 | |
| Pages: | 2 |
| | Recorded: | 01/14/1991 | | |
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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07419395
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Correspondence name and address
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P. M. PIPPENGER
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ETHYL CORPORATION
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451 FLORIDA BOULEVARD
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BATON ROUGE, LOUISIANA 70801
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08/22/2025 02:33 PM
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