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Patent Assignment Assignor Details
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Assignor Name : NATIONAL PATENT DEVELOPMENT CORPORATION
Total Assignments: 21
Assignment: 1
Reel/Frame:004267/0773   Pages: 3
Recorded: 06/13/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
07/27/1983
Assignee
1
INTERNATIONAL HYDRON CORPORATION
375 PARK AVENUE, SUITE 2201
A DE CORP.
NEW YORK, NEW YORK 10152
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4517138
NONE
06490634
Correspondence name and address
NATIONAL PAT. DEV. CORP.
ATTN: VINCENT P. PIRRI
375 PARK AVENUE
NEW YORK, NY 10152
Assignment: 2
Reel/Frame:004286/0617   Pages: 3
Recorded: 08/06/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
07/27/1983
Assignee
1
INTERNATIONAL HYDRON CORPORATION, A DE CORP
375 PARK AVENUE, SUITE 2201
NEW YORK, NEW YORK 10152
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4551086
NONE
06512814
Correspondence name and address
NATIONAL PATENT DEV. CORP.
ATTN.: VINCENT P. PIRRI
CORPORATE PATENT COUNSEL
375 PARK AVENUE
NEW YORK, NY 10152
Assignment: 3
Reel/Frame:004292/0098   Pages: 3
Recorded: 08/24/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
07/27/1983
Assignee
1
POLYMATIC INVESTMENT CORPORATION N.V., CORPORATE TRUST N.V., PIETERMAAI 16A, CURACAO, NETHERLANDS ANTILLES A CURACAO, NETHERLANDS ANTILLES CORP
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4517138
NONE
06490634
Correspondence name and address
NATIONAL PAT. DEV. CORP.
ATTN: VINCENT P. PIRRI
375 PARK AVENUE
NEW YORK, NY 10152
Assignment: 4
Reel/Frame:004366/0701   Pages: 3
Recorded: 03/01/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
07/27/1983
Assignee
1
INTERNATIONAL HYDRON CORPORATION, A CORP OF DE
375 PARK AVENUE, SUITE 2201
NEW YORK, NEW YORK 10152
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4517140
NONE
06490598
Correspondence name and address
NATIONAL PATENT DEVELOPMENT CORP.
ATTN: VINCENT P. PIRRI, CORP. PAT. COUN
375 PARK AVE.
NEW YORK, NY 10152
Assignment: 5
Reel/Frame:004366/0704   Pages: 3
Recorded: 03/01/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
07/27/1983
Assignee
1
INTERNATIONAL HYDRON CORPORATION, A CORP OF DE
375 PARK AVENUE, SUITE 2201
NEW YORK, NEW YORK 10152
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4516924
NONE
06491159
Correspondence name and address
NATIONAL PATENT DEVELOPMENT CORP.
ATTN: VINCENT P. PIRRI
375 PARK AVE.
NEW YORK, NY 10152
Assignment: 6
Reel/Frame:004157/0657   Pages: 2
Recorded: 08/16/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
08/04/1983
Assignee
1
POLYMATIC INVESTMENT CORPORATION, N.V.
PIETERMAAI 16A
A NETHERLANDS ANTILLES CORP.
CURACAO, NETHERLANDS ANTILLES
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4450264
NONE
06406582
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
1801 K ST., N. W., 8TH FLR.
WASHINGTON, DC 20006
Assignment: 7
Reel/Frame:004277/0567   Pages: 1
Recorded: 07/05/1984
Conveyance: ASSIGNS TO SAID ASSIGNEES AS JOINT TENANTS,FIFTY PERCENT INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
06/26/1984
Assignees
1
KRONMAN, JOSEPH H. 51 ALGONQUIN ROAD CANTON, MA 02021
2
KRONMAN ARLENE 51 ALGONQUIN ROAD, CANTON, MA 02021
3
GOLDMAN, MELVIN
4
GOLDMAN, SYLVIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4135302
NONE
05554222
Correspondence name and address
WINER & ABRAMS
73 TREMONT ST., STE 200
BOSTON, MA 02108
Assignment: 8
Reel/Frame:004279/0729   Pages: 4
Recorded: 07/16/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
06/26/1984
Assignee
1
BHATTACHARYAS, BHAIRAB C., AND MRS. MANJU BHATTACHARYA
297 MOORE ST.
PRINCETON, NEW JERSEY
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
3816249
NONE
05336454
 
3976197
NONE
05526378
 
4067965
NONE
05641501
 
4092229
NONE
05734243
 
4155831
NONE
05880581
 
RE32350
NONE
06373143
Correspondence name and address
BACON & THOMAS
1755 JEFF. DAVIS HWY.
ARLINGTON, VA. 22202
Assignment: 9
Reel/Frame:004596/0849   Pages: 5
Recorded: 07/29/1986
Conveyance: ASSIGNS TO SAID ASSIGNEE AS JOINT TENANTS , THE ENTIRE INTEREST IN SAID PATENTS.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
06/26/1984
Assignee
1
BHATTACHARYA, BHAIRAB C. AND BHATTACHARYA, MANJU
297 MOORE STREET
PRINCETON, NEW JERSEY
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
3816249
NONE
05336454
 
3976197
NONE
05526378
 
4067965
NONE
05641501
 
4092229
NONE
05734243
 
4155831
NONE
05880581
 
RE32350
NONE
06373143
Correspondence name and address
BACON & THOMAS
1755 JEFFERSON DAVIS HWY., SUITE 300
P.O. BOX 2587
ARLINGTON, VA 22202
Assignment: 10
Reel/Frame:004865/0264   Pages: 7
Recorded: 05/09/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
11/12/1987
Assignee
1
ALLERGAN, INC.
2525 DUPONT DRIVE
IRVINE, CALIFORNIA 92715
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
D257486
NONE
05879100
 
D256049
NONE
05883344
 
D257789
NONE
05889826
 
D256391
NONE
05918312
 
D256392
NONE
05921125
 
D257174
NONE
05932686
 
D267652
NONE
06126446
 
D264377
NONE
06126447
 
D276367
NONE
06357591
 
4441769
NONE
06369413
 
4543882
NONE
06630937
Correspondence name and address
VINCENT P. PIRRI
C/O LAW OFFICE OF GEORGE A. SKOLER
47 HALSTEAD AVENUE
HARRISON, NY 10528-4117
Assignment: 11
Reel/Frame:004865/0354   Pages: 3
Recorded: 05/09/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
11/12/1987
Assignee
1
ALLERGAN, INC.
2525 DUPONT DRIVE
IRVINE, CALIFORNIA 92715
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4492854
NONE
06552170
Correspondence name and address
VINCENT P. PIRRI
NATIONAL PATENT DEVELOPMENT CORPORATION
9 WEST 57TH STREET, RM-4170
NEW YORK, NY 10019
Assignment: 12
Reel/Frame:004882/0578   Pages: 7
Recorded: 05/09/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
11/12/1987
Assignee
1
ALLERGAN, INC., A CORP. OF DE
2525 DUPONT DRIVE
IRVINE, CALIFORNIA 92715
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4518390
NONE
06592694
 
4632055
NONE
06715095
 
4620851
NONE
06823378
 
4736872
NONE
07094098
Correspondence name and address
VINCENT P. PIRRI
C/O LAW OFFICE OF GEORGE A. SKOLER
47 HALSTEAD AVE.
HARRISON, NY 1528-4117
Assignment: 13
Reel/Frame:004917/0050   Pages: 7
Recorded: 08/10/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
11/12/1987
Assignee
1
ALLERGAN, INC., 2525 DUPONT DRIVE, IRVINE, CALIFORNIA 92715, A CORP. OF DE
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4738530
NONE
06883969
 
D315164
NONE
06886524
Correspondence name and address
GEORGE A. SKOLER
47 HALSTEAD AVENUE
HARRISON, NEW YORK 10528
Assignment: 14
Reel/Frame:006372/0239   Pages: 2
Recorded: 10/28/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
10/26/1992
Assignee
1
SIEGEL FAMILY REVOCABLE TRUST
12920 AUTOMOBILE BLVD.
CLEARWATER, FLORIDA 34622
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4617557
NONE
06669815
Correspondence name and address
HAROLD B. SIEGEL
MEDICAL TECHNOLOGY SYSTEMS
12920 M AUTOMOBILE BLVD.
CLEARWATER, FLORIDA 34622
Assignment: 15
Reel/Frame:011958/0453   Pages: 4
Recorded: 07/11/2001
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
02/23/1998
Assignee
1
GP STRATEGIES CORPORATION
9 WEST 57TH STREET, SUITE 4170
NEW YORK, NEW YORK 10019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5177154
NONE
07693833
Correspondence name and address
HOWSON AND HOWSON
CATHY A. KODROFF, ESQ.
SPRING HOUSE CORPORATE CENTER
BOX 457
SPRING HOUSE, PA 19477
Assignment: 16
Reel/Frame:011958/0933   Pages: 4
Recorded: 07/11/2001
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
02/23/1998
Assignee
1
GP STRATEGIES CORPORATION
9 WEST 57TH STREET, SUITE 4170
NEW YORK, NEW YORK 10019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5468811
NONE
08295357
Correspondence name and address
HOWSON AND HOWSON
CATHY A. KODROFF, ESQUIRE
SPRING HOUSE CORPORATE CENTER, BOX 457
SPRING HOUSE, PA 19477
Assignment: 17
Reel/Frame:011958/0937   Pages: 4
Recorded: 07/11/2001
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
02/23/1998
Assignee
1
GP STRATEGIES CORPORATION
9 WEST 57TH STREET, SUITE 4170
NEW YORK, NEW YORK 10019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5266325
NONE
07621346
Correspondence name and address
HOWSON AND HOWSON
CATHY A. KODROFF, ESQUIRE
SPRING HOUSE CORPORATE CENTER
BOX 457
SPRING HOUSE, PA 19477
Assignment: 18
Reel/Frame:011958/0941   Pages: 4
Recorded: 07/11/2001
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
02/23/1998
Assignee
1
GP STRATEGIES CORPORATION
9 WEST 57TH STREET, SUITE 4170
NEW YORK, NEW YORK 10019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5292515
NONE
08041523
Correspondence name and address
HOWSON AND HOWSON
CATHY A. KODROFF, ESQUIRE
SPRING HOUSE CORPORATE CENTER
BOX 457
SPRING HOUSE, PA 19477
Assignment: 19
Reel/Frame:012199/0336   Pages: 5
Recorded: 09/27/2001
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
02/23/1998
Assignee
1
GP STRATEGIES CORPORATION
9 WEST 57TH STREET, SUITE 4170
NEW YORK, NEW YORK 10019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5948558
NONE
08829497
Correspondence name and address
BAKER BOTTS L.L.P.
DOUGLAS C. WYATT
30 ROCKEFELLER PLAZA - 44 FL.
NEW YORK, NY 10112
Assignment: 20
Reel/Frame:012202/0882   Pages: 5
Recorded: 09/27/2001
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
02/23/1998
Assignee
1
GP STRATEGIES CORPORATION
9 WEST 57TH STREET, SUITE 4170
NEW YORK, NEW YORK 10019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6497973
NONE
08883859
Correspondence name and address
BAKER BOTTS L.L.P.
DOUGLAS C. WYATT
30 ROCKEFELLER PLAZA - 44 FLOOR
NEW YORK, NY 10112
Assignment: 21
Reel/Frame:012066/0885   Pages: 4
Recorded: 08/13/2001
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
NATIONAL PATENT DEVELOPMENT CORPORATION
Exec Dt:
08/29/2000
Assignee
1
GP STRATEGIES CORPORATION
9 WEST 57TH STREET, SUITE 4170
NEW YORK, NEW YORK 10019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5804329
NONE
08579781
Correspondence name and address
BAKER BOTTS, LLP
DOUGLAS C. WYATT
30 ROCKEFELLER PLAZA, 44TH FLOOR
NEW YORK, NY 10112

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