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Patent Assignment Assignee Details
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Assignee Name : ETHYL CORPORATION, A VA CORP.
Total Assignments: 29
Assignment: 1
Reel/Frame:004116/0283   Pages: 1
Recorded: 04/14/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
12/04/1981
Assignee
1
BATON ROUGE, LOUISIANA 70801
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06331036
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION, ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 2
Reel/Frame:004163/0267   Pages: 1
Recorded: 08/29/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
03/05/1982
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06357232
Correspondence name and address
JOHN F. SIEBERTH
PAT. & TRADEMARK DIV.
ETHYL CORP., 451 FLORIDA BLVD.
BATON ROUGE,LA 70801
Assignment: 3
Reel/Frame:004243/0478   Pages: 1
Recorded: 04/12/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/01/1982
2
Exec Dt:
09/01/1982
Assignee
1
RICHMOND,, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06415019
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA. 70801
Assignment: 4
Reel/Frame:004243/0480   Pages: 1
Recorded: 04/12/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/01/1982
2
Exec Dt:
09/01/1982
Assignee
1
RICHMOND,, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06415020
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORP., 451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 5
Reel/Frame:004243/0487   Pages: 1
Recorded: 04/12/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/24/1982
2
Exec Dt:
09/24/1982
Assignee
1
RICHMOND,, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06423957
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BLVD.,
BATON ROUGE, LA 70801
Assignment: 6
Reel/Frame:004291/0084   Pages: 1
Recorded: 08/20/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/29/1982
2
Exec Dt:
09/29/1982
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06430553
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORP., 451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 7
Reel/Frame:004287/0476   Pages: 1
Recorded: 07/26/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/21/1982
2
Exec Dt:
12/21/1982
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06452518
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORP., 451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 8
Reel/Frame:004312/0261   Pages: 1
Recorded: 10/09/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
03/31/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06479259
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORP., PAT. & TRADEMARK DIV.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 9
Reel/Frame:004404/0395   Pages: 1
Recorded: 05/24/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/08/1983
2
Exec Dt:
04/08/1983
Assignee
1
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06484338
Correspondence name and address
MR. JOHN F. SIEBERTH
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 10
Reel/Frame:004404/0394   Pages: 1
Recorded: 05/24/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
05/04/1983
Assignee
1
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06495977
Correspondence name and address
MR. JOHN F. SIEBERTH
ETHYL CORPORATION,
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 11
Reel/Frame:004291/0428   Pages: 1
Recorded: 08/22/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/16/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06506236
Correspondence name and address
MR. JOHN F. SIEBERTH
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 12
Reel/Frame:004291/0427   Pages: 1
Recorded: 08/22/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/14/1983
2
Exec Dt:
07/14/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06515660
Correspondence name and address
JOHN F. SIEBERTH
PAT. & TRADEMARK DIV., ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 13
Reel/Frame:004369/0706   Pages: 1
Recorded: 03/06/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/18/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06516657
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 14
Reel/Frame:004291/0029   Pages: 1
Recorded: 08/20/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/25/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06517970
Correspondence name and address
MR. JOHN F. SIEBERTH
ETHLYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGH, LA 70801
Assignment: 15
Reel/Frame:004291/0028   Pages: 1
Recorded: 08/20/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/26/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06518022
Correspondence name and address
MR. JOHN F. SIEBERTH
ETHYL CORPORAION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801
Assignment: 16
Reel/Frame:004404/0393   Pages: 1
Recorded: 05/24/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/16/1983
Assignee
1
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06524402
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 17
Reel/Frame:004162/0167   Pages: 1
Recorded: 08/26/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/22/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06279588
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORP.
PATENT & TRADEMARK DIVISON
451 FLORDIA BOULEVARD
BATON ROUGE,LOUISIANA 70801
Assignment: 18
Reel/Frame:004291/0393   Pages: 1
Recorded: 08/22/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/15/1983
2
Exec Dt:
09/15/1983
3
Exec Dt:
09/15/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06533223
Correspondence name and address
MR. JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 19
Reel/Frame:004291/0202   Pages: 1
Recorded: 08/20/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
09/22/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06536361
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 20
Reel/Frame:004330/0646   Pages: 1
Recorded: 11/26/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
10/21/1983
Assignee
1
RICHMOND, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06544517
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 21
Reel/Frame:004400/0818   Pages: 1
Recorded: 05/17/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/06/1984
Assignee
1
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06619518
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 22
Reel/Frame:004401/0811   Pages: 1
Recorded: 05/17/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
11/26/1984
Assignee
1
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06676479
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.,
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 23
Reel/Frame:004405/0017   Pages: 1
Recorded: 05/28/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/21/1985
2
Exec Dt:
05/21/1985
Assignee
1
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06569405
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 24
Reel/Frame:005044/0414   Pages: 1
Recorded: 04/14/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
12/03/1987
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07129001
Correspondence name and address
JOHN S. SIEBERTH
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE,LA 70801-9990
Assignment: 25
Reel/Frame:005773/0762   Pages: 2
Recorded: 07/22/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/11/1990
2
Exec Dt:
05/11/1990
3
Exec Dt:
05/11/1990
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07525070
Correspondence name and address
PHILIP M. PIPPENGER
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGH, LOUSIIANA 70801
Assignment: 26
Reel/Frame:006040/0881   Pages: 2
Recorded: 03/16/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/11/1990
2
Exec Dt:
05/11/1990
3
Exec Dt:
05/11/1990
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07524569
Correspondence name and address
PHILIP M. PIPPENGER
PATENT & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801
Assignment: 27
Reel/Frame:006144/0150   Pages: 3
Recorded: 06/10/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/06/1991
2
Exec Dt:
02/06/1991
3
Exec Dt:
02/07/1991
4
Exec Dt:
02/06/1991
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07652982
Correspondence name and address
ETHYL CORPORATION
MR. PHILIP M. PIPPENGER
PATENT & TRADEMARK DIVISION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 28
Reel/Frame:006231/0119   Pages: 2
Recorded: 08/03/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/27/1991
Assignee
1
330 SOUTH FOURTH STREET
RICHMOND, VIRGINIA 23219
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07753960
Correspondence name and address
PHILIP M. PIPPENGER
PATENT & TRADEMARK DIV., ETHYL CORP.,
451 FLORIDA BLVD.,
BATON ROUGE, LA 70801
Assignment: 29
Reel/Frame:006251/0716   Pages: 2
Recorded: 09/03/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
09/06/1991
Assignee
1
RICHMOND, VIRGINIA, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07756577
Correspondence name and address
MR. PHILIP M. PIPPENGER
PATNET & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LOUISIANA 70801

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