skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : WEIGERT, FRANK J.
Total Assignments: 20
Assignment: 1
Reel/Frame:004318/0513   Pages: 1
Recorded: 10/26/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
09/11/1984
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, A DE CORP.
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4593124
NONE
06649711
Correspondence name and address
JAMES A. COSTELLO
LEGAL DEPARTMENT
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:004419/0376   Pages: 1
Recorded: 05/24/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WEIGERT, FRANK J.
Exec Dt:
05/23/1985
2
KLIMT, ULRICH
Exec Dt:
05/10/1985
3
KAST, HELMUT
Exec Dt:
05/10/1985
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, A CORP OF DE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4856620
NONE
06717445
Correspondence name and address
JAMES B. RADEN
ITT MIDWEST PATENT OPERATIONS
100 SOUTH WACKER DRIVE - STE. 1530
CHICAGO, IL 60606
Assignment: 3
Reel/Frame:004530/0170   Pages: 1
Recorded: 04/07/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
02/03/1986
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY, A CORP OF DELAWARE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4734503
NONE
06827011
Correspondence name and address
JAMES A. COSTELLO
LEGAL DEPT.
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 4
Reel/Frame:004671/0318   Pages: 1
Recorded: 03/03/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
02/27/1987
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, A CORP OF DE.
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5093527
NONE
06782575
Correspondence name and address
JAMES A. COSTELLO
LEGAL DEPT.,
E. I. DU PONT DE NEMOURS & CO.,
WILMINGTON, DE 19898
Assignment: 5
Reel/Frame:004671/0319   Pages: 1
Recorded: 03/03/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
02/27/1987
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, A CORP OF DE.
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5171890
NONE
06782574
Correspondence name and address
JAMES A. COSTELLO
LEGAL DEPT.,
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 6
Reel/Frame:004671/0826   Pages: 1
Recorded: 03/03/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
02/27/1987
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DE.
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4804784
NONE
06782573
Correspondence name and address
JAMES A. COSTELLO
LEGAL DEPT., E. I.
DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 7
Reel/Frame:004671/0827   Pages: 1
Recorded: 03/03/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
02/27/1987
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DE.
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5126484
NONE
06782572
Correspondence name and address
JAMES A. COSTELLO
LEGAL DEPT., E. I.
DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 8
Reel/Frame:004710/0731   Pages: 1
Recorded: 05/15/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
03/10/1987
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DE
WILMINGTON, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4910351
NONE
07026538
Correspondence name and address
GEORGE D. HOBBS
PATENT DIVISION
LEGAL DEPT.
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 9
Reel/Frame:004808/0151   Pages: 1
Recorded: 12/08/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
03/23/1987
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, WILMINGTON, ELAWARE, A CORP. OF DE
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4754084
NONE
07032634
Correspondence name and address
LYNN N. FISHER
PATENT DIVISION
LEGAL DEPARTMENT
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 10
Reel/Frame:004848/0366   Pages: 1
Recorded: 03/11/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
11/19/1987
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
A CORP. OF DE.
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4820883
NONE
07129372
Correspondence name and address
HERBERT M. WOLFSON
PAT. DIV. - LEGAL DEPT.
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 11
Reel/Frame:004848/0367   Pages: 1
Recorded: 03/11/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
11/19/1987
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
A CORP. OF DE.
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4820884
NONE
07129371
Correspondence name and address
HERBERT M. WOLFSON
PATENT DIV. - LEGAL DEPT.
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 12
Reel/Frame:005458/0160   Pages: 2
Recorded: 09/21/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ANTON, DOUGLAS R.
Exec Dt:
08/24/1990
2
WEIGERT, FRANK J.
Exec Dt:
08/24/1990
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5073290
NONE
07568807
Correspondence name and address
DAVID E. HEISER
PATENT DIVISION
LEGAL DEPT.
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 13
Reel/Frame:005782/0230   Pages: 2
Recorded: 07/29/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ROZEN, SHLOMO
Exec Dt:
06/12/1991
2
WEIGERT, FRANK J.
Exec Dt:
06/12/1991
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY A CORPORATION OF DE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5250213
NONE
07695826
Correspondence name and address
DAVID E. HEISER
C/O E. I. DU PONT DE NEMOURS AND COMPANY
LEGAL DEPARTMENT - PATENT DIVISION
WILMINGTON, DE 19898
Assignment: 14
Reel/Frame:005845/0129   Pages: 2
Recorded: 09/23/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RAO, V. N. MALLIKARJUNA
Exec Dt:
08/23/1991
2
WEIGERT, FRANK J.
Exec Dt:
08/23/1991
Assignee
1
E. I. DU PONT DE NEMORS AND COMPANY, A CORP. OF DE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5120883
NONE
07749785
Correspondence name and address
DAVID E. HEISER
PATENT RECORDS CENTER
LEGAL DEPARTMENT
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 15
Reel/Frame:005845/0131   Pages: 2
Recorded: 09/23/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KRESPAN, CARL G.
Exec Dt:
08/27/1991
2
V. N. MALLIKARJUNA RO
Exec Dt:
08/27/1991
3
WEIGERT, FRANK J.
Exec Dt:
08/27/1991
Assignee
1
E.I. DU PONT DE NEMOURS AND COMAPNY, A CORP. OF DE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5268122
NONE
07751019
Correspondence name and address
DAVID E. HEISER
C/O E.I. DU PONT DE NEMOURS AND COMPANY
LEGAL DEPARTMENT - PATENT DIVISION
WILMINGTON, DE 19898
Assignment: 16
Reel/Frame:005861/0536   Pages: 3
Recorded: 10/03/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRUHNKE, DOUGLAS W.
Exec Dt:
09/20/1991
2
LEROU, JAN J.
Exec Dt:
09/30/1991
3
SEIDEL, WILLIAM C.
Exec Dt:
09/30/1991
4
WEIGERT, FRANK J.
Exec Dt:
09/30/1991
5
RAO, V.N. MALLIKARJUNA
Exec Dt:
09/30/1991
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY A CORPORATION OF DELAWARE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5177273
NONE
07648947
Correspondence name and address
PATENT DIVISION
LEGAL DEPARTMENT
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 17
Reel/Frame:006036/0967   Pages: 2
Recorded: 03/12/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RAO, V. N. MALLIKARJUNA
Exec Dt:
02/10/1992
2
WEIGERT, FRANK J.
Exec Dt:
02/10/1992
3
MANZER, LEO E.
Exec Dt:
02/10/1992
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY A CORPORATION OF DE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5120883
NONE
07749785
Correspondence name and address
E. I. DU PONT DE NEMOURS AND COMPANY
ATTN: DAVID E. HEISER
DUPONT LEGAL - PATENT
WILMINGTON, DE 19898
Assignment: 18
Reel/Frame:006101/0280   Pages: 2
Recorded: 05/04/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
03/25/1992
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5237088
NONE
07857344
Correspondence name and address
NANCY S. MAYER
PATENT DIVISION
LEGAL DEPARTMENT
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 19
Reel/Frame:006213/0644   Pages: 2
Recorded: 07/24/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WEIGERT, FRANK J.
Exec Dt:
04/15/1992
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5216152
NONE
07869972
Correspondence name and address
K. W. GEIGER
C/O E. I. DU PONT DE NEMOURS AND COMPANY
DUPONT LEGAL - PATENT
WILMINGTON, DE 19898
Assignment: 20
Reel/Frame:006184/0493   Pages: 2
Recorded: 07/02/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MANZER, LEO E.
Exec Dt:
05/29/1992
2
RAO, V.N. MALLIKARJUNA
Exec Dt:
05/29/1992
3
WEIGERT, FRANK J.
Exec Dt:
05/29/1992
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY
A CORP. OF DE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5302765
NONE
07892064
Correspondence name and address
DAVID E. HEISER
E.I. DU PONT DE NEMOURS & CO.
DUPONT LEGAL - PATENT
WILMINGTON, DE 19898

Search Results as of: 05/24/2024 12:41 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT