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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 : ROPER, JERRY M.
Total Assignments: 15
Assignment: 1
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: 2
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: 3
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: 4
Reel/Frame:004257/0757   Pages: 1
Recorded: 05/21/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/10/1982
2
Exec Dt:
09/10/1982
Assignee
1
VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06418577
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA. 70801
Assignment: 5
Reel/Frame:004257/0759   Pages: 1
Recorded: 05/21/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/10/1982
2
Exec Dt:
09/10/1982
Assignee
1
VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06418576
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 6
Reel/Frame:004277/0779   Pages: 1
Recorded: 07/09/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
03/01/1983
Assignee
1
A VA CORP.
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06472196
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 7
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: 8
Reel/Frame:004291/0390   Pages: 1
Recorded: 08/22/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/15/1983
2
Exec Dt:
07/15/1983
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06515645
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 9
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: 10
Reel/Frame:004384/0706   Pages: 1
Recorded: 04/01/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/15/1983
2
Exec Dt:
11/15/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06552284
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 11
Reel/Frame:004458/0455   Pages: 1
Recorded: 09/23/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
10/09/1984
Assignee
1
A CORP OF VIRIGINIA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06660860
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.,
451 FLORIDA BLVD.
BATON ROUGE, LA 70806
Assignment: 12
Reel/Frame:004458/0471   Pages: 1
Recorded: 09/23/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
10/09/1984
Assignee
1
A CORP OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06660859
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 13
Reel/Frame:004457/0750   Pages: 1
Recorded: 09/23/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
11/02/1984
Assignee
1
A CORP OF VIRGINIA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06667916
Correspondence name and address
JOHN F. SIEBERTH
PAT. & TRADEMARK DIV.
ETHYL CORP., 451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 14
Reel/Frame:005026/0036   Pages: 1
Recorded: 02/27/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/31/1985
2
Exec Dt:
12/31/1985
Assignee
1
A CORP. OF VA.
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06815207
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 15
Reel/Frame:004966/0530   Pages: 1
Recorded: 10/17/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/30/1986
Assignee
1
A CORP. OF VA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06880039
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORP.
451 FLORIDA BOULEVARD
BATON ROUGE,LA. 70801

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