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Patent Assignment Assignor Details
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Assignor Name : LEFFEW, KENNETH W.
Total Assignments: 5
Assignment: 1
Reel/Frame:004361/0680   Pages: 1
Recorded: 02/14/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/12/1984
2
Exec Dt:
11/12/1984
Assignee
1
A CORP OF DEL
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06646172
Correspondence name and address
GEORGE M. MEDWICK
LEGAL DEPT.
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:004375/0828   Pages: 1
Recorded: 03/20/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/12/1984
2
Exec Dt:
11/12/1984
Assignee
1
A CORP OF DE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06646174
Correspondence name and address
GEORGE M. MEDWICK
LEGAL DEPT.
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 3
Reel/Frame:004782/0877   Pages: 2
Recorded: 11/18/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/15/1987
2
Exec Dt:
09/15/1987
3
Exec Dt:
09/17/1987
4
Exec Dt:
09/15/1987
Assignee
1
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07098600
Correspondence name and address
DON O. WINSLOW
PATENT DIVISION, LEGAL DEPT.
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 4
Reel/Frame:006009/0909   Pages: 2
Recorded: 02/06/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/22/1992
2
Exec Dt:
01/10/1992
3
Exec Dt:
01/03/1992
Assignee
1
A CORP. OF NY
STAMFORD, CONNECTICUT
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07812659
Correspondence name and address
OLIFF & BERRIDGE
P.O. BOX 19928
ALEXANDRIA, VA 22320
Assignment: 5
Reel/Frame:009960/0587   Pages: 2
Recorded: 05/19/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/15/1998
2
Exec Dt:
07/15/1998
3
Exec Dt:
07/22/1998
4
Exec Dt:
07/27/1998
Assignee
1
LEGAL PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09102511
Correspondence name and address
E.I. DU PONT DE NEMOURS AND COMPANY
BARBARA C. SIEGELL
LEGAL-PATENTS
1007 MARKET STREET
WILMINGTON, DELAWARE 19898

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