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Patent Assignment Assignee Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : CANADIAN FRACMASTER LTD.

Total Assignments: 7

Assignment: 1

Reel/Frame:	006727/0604			Pages:	5
		Recorded:	10/14/1993
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

BULLEN, RONALD S.

Exec Dt:

10/07/1983

Assignee

CANADIAN FRACMASTER LTD.

1800, 505-5TH STREET, S.W.

CALGARY, ALBERTA, CANADA T2P 3J2

Property

Pat #

Pub #

Intl #

App #

4241786

NONE

06035195

Correspondence name and address
	ARNOLD H. KRUMHOLZ
	LERNER, DAVID, LITTENBERG, KRUMHOLZ
	& MENTLIK
	600 SOUTH AVENUE WEST
	WESTFIELD, NJ 07090

Assignment: 2

Reel/Frame:	004429/0266			Pages:	2
		Recorded:	07/19/1985
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

L.H.B. INVESTMENT, INC.

Exec Dt:

06/13/1985

Assignee

CANADIAN FRACMASTER LTD.

#800, 300- 5TH AVE., S.W.

A CORP. OF ALBERTA

CALGARY ALBERTA, CANADA T2P 3C4

Property

Pat #

Pub #

Intl #

App #

4374545

NONE

06337743

Correspondence name and address
	LERNER, DAVID, LITTENBERG ET AL
	600 SOUTH AVE., WEST
	WESTFIELD, NJ 07090-1497

Assignment: 3

Reel/Frame:	007045/0378			Pages:	2
		Recorded:	06/01/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

BEST, JIM EDWARD

Exec Dt:

05/06/1994

SMITH, DONALD A.

Exec Dt:

05/04/1994

Assignee

CANADIAN FRACMASTER LTD.

1700 FRACMASTER TOWER 355, 4TH AVENUE S.W.

CALGARY, ALBERTA, T2P 0J1, CANADA

Property

Pat #

Pub #

Intl #

App #

5462129

NONE

08252407

Correspondence name and address
	JOSEPH S. LITTENBERG
	LERNER DAVID LITTENBERG ET AL.
	600 SOUTH AVENUE WEST
	WESTFIELD, NJ 07090

Assignment: 4

Reel/Frame:	007202/0718			Pages:	2
		Recorded:	10/27/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

LUK, SAMUEL

Exec Dt:

10/11/1994

GRISDALE, JOHN L.

Exec Dt:

10/11/1994

Assignee

CANADIAN FRACMASTER LTD.

A CORP. OF CANADA 1700 FRACMASTER TOWER 355 4TH AVENUE, S.W. CALGARY, ALBERTA CANADA T2P 0J1

ALBERTA, CANADA

Property

Pat #

Pub #

Intl #

App #

5515920

NONE

08330373

Correspondence name and address
	LERNER, DAVID, LITTENBERG, KRUMHOLZ &
	MENTLIK
	JOSEPH S. LITTENBERG
	600 SOUTH AVENUE WEST
	WESTFIELD, NJ 07090

Assignment: 5

Reel/Frame:	007879/0614			Pages:	3
		Recorded:	04/08/1996
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

DYCK, JOHN

Exec Dt:

03/06/1996

FLATEKVAL, GERALD B.

Exec Dt:

03/06/1996

GOTOWIK, HORST

Exec Dt:

03/06/1996

Assignee

CANADIAN FRACMASTER LTD.

1700 FRACMASTER TOWER 355, 4TH AVENUE, S.W.

CALGARY, ALBERTA, CANADA T2P O

Property

Pat #

Pub #

Intl #

App #

5924454

NONE

08593021

Correspondence name and address
	LERNER, DAVID, LITTENBERG ET AL
	JOSEPH S. LITTENBERG
	600 SOUTH AVENUE WEST
	WESTFIELD, NJ 07090

Assignment: 6

Reel/Frame:	008193/0400			Pages:	2
		Recorded:	10/24/1996
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

SMITH, DONALD

Exec Dt:

10/10/1996

NAUMANN, ANDRE

Exec Dt:

10/09/1996

SIHLIS, LENNARD

Exec Dt:

10/07/1996

Assignee

CANADIAN FRACMASTER LTD.

355 - 4TH AVENUE SW

1700 FRACMASTER TOWER

CALGARY, ALBERTA T2P 0J1, CANADA

Property

Pat #

Pub #

Intl #

App #

5894896

NONE

08697201

Correspondence name and address
	LERNER, DAVID, LITTENBERG,
	KRUMHOLZ & MENTLIK
	JOSEPH S. LITTENBERG
	600 SOUTH AVENUE WEST
	WESTFIELD, NJ 07090

Assignment: 7

Reel/Frame:	008405/0825			Pages:	3
		Recorded:	03/10/1997
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

SMITH, DONALD A.

Exec Dt:

11/25/1996

COSTALL, DOUGLAS

Exec Dt:

11/28/1996

Assignee

CANADIAN FRACMASTER LTD.

355 4TH AVENUE, S.W.

1700 FRACMASTER TOWER

CALGARY, ALBERTA, CANADA T2P 0

Property

Pat #

Pub #

Intl #

App #

5842530

NONE

08740763

Correspondence name and address
	LERNER, DAVID, LITTENBERG, ET AL.
	ARNOLD H. KRUMHOLZ
	600 SOUTH AVENUE WEST
	WESTFIELD, NJ 07090

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