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 : LIPSZTAJN, MAREK
Total Assignments: 22
Assignment: 1
Reel/Frame:004570/0192   Pages: 1
Recorded: 05/27/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LIPSZTAJN, MAREK
Exec Dt:
05/12/1986
Assignee
1
TENNECO CANADA INC. (ERCO DIVISION)
2 GIBBS ROAD
ISLINGTON, ONTARIO,, CANADA M9B 1R1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4704259
NONE
06866726
Correspondence name and address
SIM AND MC BURNEY
STE. 701, 330 UNIVERSITY AVE.
TORONTO, ONTARIO, CANADA M5G 1R7
Assignment: 2
Reel/Frame:004623/0553   Pages: 2
Recorded: 10/29/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LIPSZTAJN, MAREK
Exec Dt:
10/22/1986
Assignee
1
TENNECO CANADA INC.
(ERCO DIVISION), 2 GIBBS ROAD
ISLINGTON ONTARIO M9B 1R1, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4731169
NONE
06924570
Correspondence name and address
SIM & MC BURNEY
SUITE 701
330 UNIVERSITY AVE.
TORONTO, ONTARIO M5G 1R7, CANADA
Assignment: 3
Reel/Frame:004623/0555   Pages: 2
Recorded: 10/29/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LIPSZTAJN, MAREK
Exec Dt:
10/22/1986
Assignee
1
TENNECO CANADA INC.
(ERCO DIVISION), 2 GIBBS ROAD
ISLINGTON, ONTARIO, CANADA M9B 1R1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4699701
NONE
06924573
Correspondence name and address
SIM & MC BURNEY
SUITE 701
330 UNIVERSITY AVE.
TORONTO, ONTARIO M5G 1R7, CANADA
Assignment: 4
Reel/Frame:004631/0391   Pages: 1
Recorded: 10/29/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LIPSZTAJN, MAREK
Exec Dt:
10/22/1986
Assignee
1
TENNECO CANADA INC.
(ERCO DIVISION), 2 GIBBS ROAD
ISLINGTON, ONTARIO, CANADA M9B 1R1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4773975
NONE
06924574
Correspondence name and address
SIM & MC BURNEY
330 UNIVERSITY AVE., STE. 701
TORONTO, ONTARIO M5G 1R7 CANADA
Assignment: 5
Reel/Frame:004739/0908   Pages: 2
Recorded: 08/03/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LIPSZTAJN, MAREK
Exec Dt:
05/20/1987
Assignee
1
TENNECO CANADA INC., 2 GIBBS ROAD, ISLINGTON, ONTARIO, CANADA, M9B 1R1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4767510
NONE
07057107
Correspondence name and address
SIM & MC BURNEY
STE. 701, 330 UNIVERSITY AVE.
TORONTO, ONTARIO CANADA M5G 1R7
Assignment: 6
Reel/Frame:004738/0204   Pages: 2
Recorded: 06/16/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LIPSZTAJN, MAREK
Exec Dt:
06/11/1987
Assignee
1
TENNECO CANADA INC., 2 GIBBS ROAD, ISLINGTON, ONTARIO, CANADA, M9B 1B1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4802959
NONE
07062637
Correspondence name and address
SIM & MC BURNEY
STE. 701, 330 UNIV. AVE.
TORONTO, ONTARIO M5G 1R7, CANADA
Assignment: 7
Reel/Frame:004830/0172   Pages: 2
Recorded: 02/01/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LIPSZTAJN, MAREK
Exec Dt:
01/15/1988
Assignee
1
TENNECO CANADA INC.
2 GIBBS ROAD, ISLINGTN
ONTARIO, CANADA M9B 1R1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4834848
NONE
07151239
Correspondence name and address
SIM & MC BURNEY
330 UNIVERSITY AVENUE, STE. 701
TORONTO, ONTARIO M5G 1R7, CANADA
Assignment: 8
Reel/Frame:004990/0091   Pages: 2
Recorded: 12/12/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LIPSZTAJN, MAREK
Exec Dt:
11/07/1988
2
TWARDOWSKI, ZBIGNIEW
Exec Dt:
11/07/1988
3
COWLEY, GERALD
Exec Dt:
11/07/1988
Assignee
1
TENNECO CANADA INC., 2 GIBBS ROAD, ISLINGTON, ONTARIO, CANADA M9B 1R1 A COMPANY OF CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4915927
NONE
07260500
Correspondence name and address
SIM & MC BURNEY
330 UNIVERSITY AVENUE, STE. 701
TORONTO, ONTARIO M5G 1R7, CANADA
Assignment: 9
Reel/Frame:005383/0147   Pages: 3
Recorded: 07/09/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
COWLEY, GERALD
Exec Dt:
06/18/1990
2
LIPSZTAJN, MAREK
Exec Dt:
06/18/1990
3
TWARDOWSKI, ZBIGNIEW
Exec Dt:
06/18/1990
Assignee
1
TENNECO CANADA INC.
2 GIBBS ROAD AVENUE
A COMPANY OF CANADA
ISLINGTON, ONTARIO, CANADA M9B 1R1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5122240
NONE
07535165
Correspondence name and address
SIM & MCBURNEY
STE. 701, 330 UNIVERSITY AVE.
TORONTO, ONTARIO, CANADA M5G 1R7
Assignment: 10
Reel/Frame:005421/0912   Pages: 3
Recorded: 08/22/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LIPSZTAJN, MAREK
Exec Dt:
08/13/1990
2
FREDETTE, MAURICE C.J.
Exec Dt:
08/13/1990
3
TWARDOWSKI, ZBIGNIEW
Exec Dt:
08/13/1990
Assignee
1
TENNECO CANADA INC.
2 GIBBS ROAD
A CO. OF ONTARIO
ISLINGTON, ONTARIO, CANADA M9B 1R1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5174868
NONE
07570791
Correspondence name and address
SIM & MC BURNEY
STE. 701
330 UNIVERSITY AVE.
TORONTO, ONTARIO M5G 1R7, CANADA
Assignment: 11
Reel/Frame:005877/0699   Pages: 3
Recorded: 10/16/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
COWLEY, GERALD
Exec Dt:
04/15/1991
2
LIPSZTAJN, MAREK
Exec Dt:
04/15/1991
3
TWARDOWSKI, ZBIGNIEW
Exec Dt:
04/15/1991
4
SWINDELLS, RICHARD
Exec Dt:
04/15/1991
5
BECHBERGER, EDWARD J.
Exec Dt:
04/15/1991
Assignee
1
TENNECO CANADA INC.
2 GIBBS ROAD
ISLINGTON, ONTARIO, CANADA M9B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5198080
NONE
07687741
Correspondence name and address
SIM & MCBURNEY
330 UNIVERSITY AVE, STE 701
TORONTO, ONTARIO M5G 1R7, CANADA
Assignment: 12
Reel/Frame:006210/0152   Pages: 3
Recorded: 08/21/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LIPSZTAJN, MAREK
Exec Dt:
08/04/1992
2
RIZZI, JOHN
Exec Dt:
08/04/1992
Assignee
1
TENNECO CANADA INC.
2 GIBBS ROAD
ISLINGTON, ONTARIO, CANADA M9B 1R1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5256261
NONE
07933108
Correspondence name and address
SIM & MCBURNEY
MICHAEL I. STEWART
330 UNIVERSITY AVENUE
SUITE 701
TORONTO, CANADA MG5 1R7
Assignment: 13
Reel/Frame:006577/0007   Pages: 3
Recorded: 05/12/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIPSZTAJN, MAREK
Exec Dt:
05/07/1993
2
COWLEY, GERALD
Exec Dt:
05/07/1993
3
GOURLEY, DANA
Exec Dt:
05/07/1993
Assignee
1
STERLING PULP CHEMICALS, LTD.
2 GIBBS ROAD, ISLINGTON
TORONTO, ONTARIO, CANADA M9B 1R1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5480516
NONE
08059605
Correspondence name and address
SIM & MCBURNEY
M.I. STEWART
SUITE 701, 330 UNIVERSITY AVE.
TORONTO, ONTARIO M5G 1R7
Assignment: 14
Reel/Frame:007851/0226   Pages: 3
Recorded: 03/13/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COWLEY, GERALD
Exec Dt:
11/15/1995
2
LIPSZTAJN, MAREK
Exec Dt:
11/15/1995
3
RANGER, GEORGE JOSEPH
Exec Dt:
11/15/1995
Assignee
1
STERLING PULP CHEMICALS, LTD.
2 GIBBS ROAD
ISLINGTON, ONTARIO, CANADA M9B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5932085
NONE
08545792
Correspondence name and address
SIM & MCBURNEY
M.I. STEWART
SUITE 701, 330 UNIVERSITY AVENUE
TORONTO, ONTARIO, CANADA
M5G 1R7
Assignment: 15
Reel/Frame:008160/0864   Pages: 4
Recorded: 10/02/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIPSZTAJN, MAREK
Exec Dt:
08/13/1996
Assignee
1
STERLING CANADA, INC.
SUITE 3600
1200 SMITH STREET
HOUSTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5698357
NONE
08700100
Correspondence name and address
SIM & MCBURNEY
MICHAEL I. STEWART
330 UNIVERSITY AVENUE
6TH FLOOR
TORONTO, ONTARIO, CANADA M5G 1R7
Assignment: 16
Reel/Frame:008601/0910   Pages: 4
Recorded: 07/08/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COWLEY, GERALD
Exec Dt:
01/20/1997
2
LIPSZTAJN, MAREK
Exec Dt:
01/20/1997
Assignee
1
STERLING CANADA, INC.
1200 SMITH STREET, SUITE 3600
HOUSTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5851374
NONE
08781045
Correspondence name and address
SIM & MCBURNEY
M.I. STEWART
6TH FLOOR, 330 UNIVERSITY AVE.
TORONTO, ONTARIO M5G 1R7
Assignment: 17
Reel/Frame:009183/0306   Pages: 4
Recorded: 05/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COWLEY, GERALD
Exec Dt:
10/30/1997
2
LIPSZTAJN, MAREK
Exec Dt:
10/30/1997
3
RANGER, GEORGE JOSEPH
Exec Dt:
10/30/1997
4
SCHAIBLE, RON K.
Exec Dt:
10/30/1997
5
TRAN, TY V.
Exec Dt:
10/30/1997
6
LAWLESS, DARREN F.
Exec Dt:
10/30/1997
Assignee
1
STERLING PULP CHEMICALS, LTD.
2 GIBBS ROAD
ISLINGTON, ONTARIO, CANADA M9B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5965004
NONE
08959031
Correspondence name and address
SIM & MCBURNEY
MICHAEL I. STEWRAT
6TH FLOOR
330 UNIVERSITY AVENUE
TORONTO, ONTARIO, CANADA M5G 1R7
Assignment: 18
Reel/Frame:009024/0032   Pages: 3
Recorded: 03/04/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LIPSZTAJN, MAREK
Exec Dt:
12/15/1997
Assignee
1
STERLING CANADA, INC.
2 GIBBS ROAD
ISLINGTON, ONTARIO, CANADA M9B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5948236
NONE
08912171
Correspondence name and address
SIM & MCBURNEY
M.I. STEWART
330 UNIVERSITY AVENUE, 6TH FLOOR
TORONTO, ONTARIO, CANADA M5G 1R7
Assignment: 19
Reel/Frame:009653/0443   Pages: 3
Recorded: 12/22/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIPSZTAJN, MAREK
Exec Dt:
10/28/1998
2
COWLEY, GERALD
Exec Dt:
10/28/1998
Assignee
1
STERLING PULP CHEMICALS, LTD.
2 GIBBS ROAD
ISLINGTON, ONTARIO, CANADA M9B 1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6203688
NONE
09173032
Correspondence name and address
SIM & MCBURNEY
MICHAEL I. STEWART
330 UNIVERSITY AVENUE
6TH FLOOR
TORONTO, ONTARIO, CANADA M5G 1R7
Assignment: 20
Reel/Frame:013268/0540   Pages: 3
Recorded: 09/06/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIPSZTAJN, MAREK
Exec Dt:
07/19/2002
2
SCHAIBLE, RONALD K.
Exec Dt:
07/19/2002
3
OMELCHENKO, YURI ALEXEEVICH
Exec Dt:
07/19/2002
4
RANGER, GEORGE JOSEPH
Exec Dt:
07/19/2002
Assignee
1
STERLING PULP CHEMICALS, LTD.
302 THE EAST MALL, SUITE 200
TORONTO, ONTARIO, CANADA M9B 6C7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6740223
US20030000848
10173602
Correspondence name and address
SIM & MCBURNEY
MICHAEL I. STEWART
6TH FLOOR, 330 UNIVERSITY AVENUE
TORONTO, ONTARIO, CANADA
M5G 1R7
Assignment: 21
Reel/Frame:026825/0154   Pages: 3
Recorded: 08/29/2011
Attorney Dkt #:53-914 MIS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OMELCHENKO, YURI ALEXEEVICH
Exec Dt:
08/22/2011
2
LIPSZTAJN, MAREK
Exec Dt:
08/22/2011
3
DLUZNIEWSKI, TOMASZ JERZY
Exec Dt:
08/22/2011
Assignee
1
SUPERIOR PLUS LP
SUITE 1400, 840-7 AVENUE SW
CALGARY, ALBERTA, CANADA T2P 3G2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120186989
13067685
Correspondence name and address
MICHAEL I. STEWART
SIM & MCBURNEY
6TH FLOOR, 330 UNIVERSITY AVENUE
TORONTO, ONTARIO M5G 1R7
Assignment: 22
Reel/Frame:027788/0162   Pages: 3
Recorded: 03/01/2012
Attorney Dkt #:53-918 MIS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OMELCHENKO, YURI ALEXEEVICH
Exec Dt:
02/15/2012
2
LIPSZTAJN, MAREK
Exec Dt:
02/15/2012
3
DLUZNIEWSKI, TOMASZ JERZY
Exec Dt:
02/15/2012
Assignee
1
SUPERIOR PLUS LP
SUITE 1400, 840-7 AVENUE SW
CALGARY, CANADA T2P 3G2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8636893
US20120186990
13286242
Correspondence name and address
SIM & MCBURNEY
6TH FLOOR
330 UNIVERSITY AVENUE
TORONTO, M5G 1R7 CANADA

Search Results as of: 09/21/2024 11:08 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