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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 : BIERLEIN, JOHN D.
Total Assignments: 7
Assignment: 1
Reel/Frame:004683/0587   Pages: 1
Recorded: 03/24/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/06/1987
2
Exec Dt:
01/06/1987
3
Exec Dt:
01/06/1987
4
Exec Dt:
01/06/1987
Assignee
1
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07001417
Correspondence name and address
FREDERICK D. HUNTER
LEGAL DEPARTMENT
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:004842/0633   Pages: 1
Recorded: 02/25/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/09/1987
2
Exec Dt:
12/09/1987
3
Exec Dt:
12/09/1987
4
Exec Dt:
12/09/1987
Assignee
1
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07129058
Correspondence name and address
HERBERT M. WOLFSON
LEGAL DEPT.
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 3
Reel/Frame:005379/0154   Pages: 3
Recorded: 07/23/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/05/1990
2
Exec Dt:
03/05/1990
3
Exec Dt:
03/05/1990
4
Exec Dt:
03/05/1990
5
Exec Dt:
03/05/1990
Assignee
1
WILMINGTON,, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07473771
Correspondence name and address
DAVID E. HEISER
PATENT DEPARTMENT
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 4
Reel/Frame:005563/0380   Pages: 2
Recorded: 12/27/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/25/1990
2
Exec Dt:
04/25/1990
Assignee
1
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07514384
Correspondence name and address
DAVID E. HEISER
PATENT DIVISION
LEGAL DEPARTMENT
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 5
Reel/Frame:005833/0147   Pages: 2
Recorded: 09/04/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/01/1991
2
Exec Dt:
08/01/1991
3
Exec Dt:
08/01/1991
Assignee
1
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07738775
Correspondence name and address
DAVID E. HEISER
PATENT RECORDS CENTER
LEGAL DEPARTMENT
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 6
Reel/Frame:006056/0328   Pages: 2
Recorded: 03/30/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/15/1991
2
Exec Dt:
10/15/1991
3
Exec Dt:
10/15/1991
4
Exec Dt:
10/15/1991
Assignee
1
A CORPORATION OF DE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07762691
Correspondence name and address
DAVID E. HEISER
PATENT DIVISION
LEGAL DEPARTMENT
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 7
Reel/Frame:006225/0015   Pages: 2
Recorded: 08/05/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/05/1992
2
Exec Dt:
06/05/1992
Assignee
1
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07732028
Correspondence name and address
SUGHRUE MION ZINN MACPEAK & SEAS
ROBERT J. SEAS, JR.
2100 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, D.C. 20037-3202

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