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Patent Assignment Assignor Details
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Assignor Name : SPENCER, DUDLEY W. C.
Total Assignments: 15
Assignment: 1
Reel/Frame:003909/0282   Pages: 1
Recorded: 09/16/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SPENCER, DUDLEY W. C.
Exec Dt:
06/02/1981
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, WILMINGTON, A CORP. OF DE
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4369779
NONE
06267291
Correspondence name and address
FREDERICK D. HUNTER
LEGAL DEPT.
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:004030/0142   Pages: 1
Recorded: 09/02/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SPENCER, DUDLEY W. C.
Exec Dt:
06/14/1982
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DE.
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4516971
NONE
06395795
Correspondence name and address
FREDERICK D. HUNTER
LEGAL DEPT.
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 3
Reel/Frame:004030/0143   Pages: 1
Recorded: 09/02/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SPENCER, DUDLEY W. C.
Exec Dt:
07/01/1982
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DE.
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4412835
NONE
06395796
Correspondence name and address
FREDERICK D. HUNTER
LEGAL DEPT.
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 4
Reel/Frame:004065/0837   Pages: 1
Recorded: 12/03/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SPENCER, DUDLEY W. C.
Exec Dt:
09/28/1982
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4488961
NONE
06427455
Correspondence name and address
SCOTT G. HALLQUIST
LEGAL DEPT.
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 5
Reel/Frame:004296/0514   Pages: 1
Recorded: 05/02/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SPENCER, DUDLEY W. C.
Exec Dt:
04/10/1984
Assignee
1
E.I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DE
WILMINGTON,, DELAWARE 19898
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4610670
NONE
06599324
Correspondence name and address
FREDERICK D. HUNTER
LEGAL DEPT.,
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 6
Reel/Frame:004391/0276   Pages: 1
Recorded: 04/29/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SPENCER, DUDLEY W. C.
Exec Dt:
03/06/1985
Assignee
1
E. I. DU PONT DE NEMOURS AND COMPANY, A CORP OF DE
WILMINGTON,, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4619642
NONE
06711053
Correspondence name and address
JAMES A. COSTELLO
LEGAL DEPT.,
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 7
Reel/Frame:004847/0859   Pages: 2
Recorded: 04/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SHAPOSKA, JOHN B.
Exec Dt:
02/17/1987
2
SPENCER, DUDLEY W. C.
Exec Dt:
02/17/1987
Assignee
1
DENCO, INC.
501 SILVERSIDE ROAD, SUITE 36,
A CORP. OF DE.
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4753697
NONE
07017727
Correspondence name and address
HAROLD PEZZNER,ESQ.
CONNOLLY & HUTZ
P.O. BOX 2207
WILMINGTON,DE. 19899
Assignment: 8
Reel/Frame:004878/0724   Pages: 2
Recorded: 04/04/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SHAPOSKA, JOHN B.
Exec Dt:
09/17/1987
2
SPENCER, DUDLEY W. C.
Exec Dt:
09/17/1987
Assignee
1
DENCO, INC., A CORP. OF DE
501 SILVERSIDE ROAD, STE. 36
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4770735
NONE
07099714
Correspondence name and address
HAROLD PEZZNER, ESQ.
CONNOLLY & HUTZ
1220 MARKET ST.
WILMINGTON, DE 19801
Assignment: 9
Reel/Frame:005699/0429   Pages: 3
Recorded: 05/13/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SPENCER, DUDLEY W. C.
Exec Dt:
04/03/1989
2
SHAPOSKA, JOHN B.
Exec Dt:
04/03/1989
Assignee
1
DENCO, INC., A CORPORATION OF DE
SUITE 36
501 SILVERSIDE ROAD
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5037395
NONE
07334490
Correspondence name and address
HAROLD PEZZNER, ESQ.
CONNOLLY & HUTZ
1220 MARKET STREET
WILMINGTON, DE 19801
Assignment: 10
Reel/Frame:005261/0266   Pages: 2
Recorded: 03/26/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SHAPOSKA, JOHN B.
Exec Dt:
08/10/1989
2
SPENCER, DUDLEY W. C.
Exec Dt:
08/10/1989
Assignee
1
DENCO, INC., A CORP. OF DE
WILMINGTON, DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4933036
NONE
07393687
Correspondence name and address
CONNOLLY AND HUTZ
P.O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 11
Reel/Frame:006098/0228   Pages: 3
Recorded: 04/27/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SPENCER, DUDLEY W. C.
Exec Dt:
09/13/1991
2
SHAPOSKA, JOHN B.
Exec Dt:
09/13/1991
3
BEIRD, ROBERT J.
Exec Dt:
09/13/1991
Assignee
1
DENCO, INC. A CORP. OF DELAWARE
501 SILVERSIDE ROAD, SUITE 36
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5209800
NONE
07764249
Correspondence name and address
CONNOLLY & HUTZ
1220 MARKET BUILDING
P.O. BOX 2207
WILMINGTON, DELAWARE 19899-2207
Assignment: 12
Reel/Frame:006579/0119   Pages: 2
Recorded: 06/18/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPENCER, DUDLEY W. C.
Exec Dt:
06/23/1992
2
IVANSONS, VALDIS
Exec Dt:
06/23/1992
3
IVANSONS, IVARS
Exec Dt:
06/23/1992
Assignee
1
DENCO, INC.
SILVERSIDE ROAD, STE. 132
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5244522
NONE
07904589
Correspondence name and address
HAROLD PEZZNER, ESQUIRE
CONNOLLY AND HUTZ
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 13
Reel/Frame:007252/0198   Pages: 2
Recorded: 12/08/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IVANSONS, IVARS V.
Exec Dt:
01/17/1994
2
IVANSONS, VALDIS
Exec Dt:
01/17/1994
3
SPENCER, DUDLEY W. C.
Exec Dt:
01/17/1994
Assignee
1
DENCO, INC.
P.O. BOX 9600
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5397425
NONE
08158505
Correspondence name and address
HAROLD PEZZNER, ESQUIRE
CONNOLLY AND HUTZ
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 14
Reel/Frame:008557/0040   Pages: 2
Recorded: 06/02/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SPENCER, DUDLEY W. C.
Exec Dt:
02/26/1995
Assignee
1
DENCO, INC.
P.O. BOX 9600
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5674333
NONE
08399339
Correspondence name and address
CONNOLLY AND HUTZ
HAROLD PEZZNER, ESQUIRE
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 15
Reel/Frame:007776/0625   Pages: 2
Recorded: 01/19/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SPENCER, DUDLEY W. C.
Exec Dt:
01/10/1996
Assignee
1
DENCO, INC.
P.O. BOX 9600
WILMINGTON, DELAWARE 19809
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5496291
NONE
08219828
Correspondence name and address
CONNOLLY AND HUTZ
HAROLD PEZZNER, ESQUIRE
P.O. BOX 2207
WILMINGTON, DE 19899

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