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Patent Assignment Assignor Details
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Assignor Name : FREY, FREDERICK W.
Total Assignments: 5
Assignment: 1
Reel/Frame:004348/0585   Pages: 1
Recorded: 01/10/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/18/1983
2
Exec Dt:
11/18/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06554900
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 2
Reel/Frame:004348/0587   Pages: 1
Recorded: 01/10/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/18/1983
2
Exec Dt:
11/18/1983
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06554899
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIV.
ETHYL CORP.
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 3
Reel/Frame:004853/0357   Pages: 1
Recorded: 02/22/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/30/1986
2
Exec Dt:
10/30/1986
Assignee
1
A CORP. OF VIRGINIA
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06926662
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORP.
451 FLORIDA BOULEVARD
BATON ROUGE,LA. 70801
Assignment: 4
Reel/Frame:004798/0228   Pages: 2
Recorded: 12/02/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/14/1987
2
Exec Dt:
05/14/1987
3
Exec Dt:
05/14/1987
4
Exec Dt:
05/14/1987
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07051720
Correspondence name and address
JOHN F. SIEBERTH
ETHYL CORPORATION
451 FLORIDA BLVD.
BATON ROUGE, LA 70801
Assignment: 5
Reel/Frame:005041/0214   Pages: 3
Recorded: 03/02/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/15/1988
2
Exec Dt:
06/15/1988
3
Exec Dt:
06/20/1988
4
Exec Dt:
06/23/1988
Assignee
1
RICHMOND, VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07211831
Correspondence name and address
JOHN F. SIEBERTH
PATENT & TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801

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