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Patent Assignment Assignor Details
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Assignor Name : NAUMANN, ANDRE
Total Assignments: 4
Assignment: 1
Reel/Frame:008193/0400   Pages: 2
Recorded: 10/24/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/10/1996
2
Exec Dt:
10/09/1996
3
Exec Dt:
10/07/1996
Assignee
1
355 - 4TH AVENUE SW
1700 FRACMASTER TOWER
CALGARY, ALBERTA T2P 0J1, CANADA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08697201
Correspondence name and address
LERNER, DAVID, LITTENBERG,
KRUMHOLZ & MENTLIK
JOSEPH S. LITTENBERG
600 SOUTH AVENUE WEST
WESTFIELD, NJ 07090
Assignment: 2
Reel/Frame:013730/0286   Pages: 7
Recorded: 01/31/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/13/2002
2
Exec Dt:
09/24/2002
3
Exec Dt:
09/24/2002
4
Exec Dt:
09/13/2002
5
Exec Dt:
09/24/2002
Assignee
1
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10186260
Correspondence name and address
HOWREY SIMON ARNOLD & WHITE, LLP
GREGG A. DUFFEY
750 BERING DRIVE
HOUSTON, TX 77057-2198
Assignment: 3
Reel/Frame:015776/0610   Pages: 3
Recorded: 09/13/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/25/2004
Assignee
1
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10868058
Correspondence name and address
J. DEAN LECHTENBERGER
2941 FAIRVIEW PARK DRIVE
BOX 7
FALLS CHURCH, VA 22042
Assignment: 4
Reel/Frame:033225/0977   Pages: 3
Recorded: 07/01/2014
Attorney Dkt #:CT4-57335-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/26/2014
Assignee
1
2929 ALLEN PARKWAY
SUITE 2100
HOUSTON, TEXAS 77019
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14273422
Correspondence name and address
SHAWN HUNTER / BAKER HUGHES FILINGS
P.O. BOX 270110
HOUSTON, TX 77277-0110

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