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Patent Assignment Assignor Details
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Assignor Name : JELSMA, HENK H.
Total Assignments: 9
Assignment: 1
Reel/Frame:004898/0537   Pages: 1
Recorded: 04/11/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
02/24/1988
Assignee
1
3000 NORTH BELT EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07156831
Correspondence name and address
WILLIAM E. JOHNSON, JR.
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 2
Reel/Frame:005181/0019   Pages: 1
Recorded: 11/13/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/14/1989
Assignee
1
3000 N. SAM HOUSTON PKWY EAST
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07344019
Correspondence name and address
WILLIAM E. JOHNSON, JR.
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE 1800
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:005104/0295   Pages: 1
Recorded: 07/27/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/26/1989
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07386415
Correspondence name and address
LOREN G. HELMREICH
BROWNING, BUSHMAN, ZAMECKI
& ANDERSON
5718 WESTHEIMER, STE., 1800
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:027201/0281   Pages: 3
Recorded: 11/09/2011
Attorney Dkt #:17794/005001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/03/2011
Assignee
1
4921 SPRING CYPRESS ROAD
SPRING, TEXAS 77379
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13065922
Correspondence name and address
JEFFREY S. BERGMAN
909 FANNIN ST.
SUITE 3500
HOUSTON, TX 77010
Assignment: 5
Reel/Frame:027201/0306   Pages: 3
Recorded: 11/09/2011
Attorney Dkt #:17794/006001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/03/2011
Assignee
1
4921 SPRING CYPRESS ROAD
SPRING, TEXAS 77379
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11271231
Correspondence name and address
JEFFREY S. BERGMAN
909 FANNIN ST.
SUITE 3500
HOUSTON, TX 77010
Assignment: 6
Reel/Frame:027201/0311   Pages: 3
Recorded: 11/09/2011
Attorney Dkt #:17794/007001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/03/2011
Assignee
1
4921 SPRING CYPRESS ROAD
SPRING, TEXAS 77379
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11348749
Correspondence name and address
JEFFREY S. BERGMAN
909 FANNIN ST.
SUITE 3500
HOUSTON, TX 77010
Assignment: 7
Reel/Frame:027201/0361   Pages: 3
Recorded: 11/09/2011
Attorney Dkt #:17794/004001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
11/03/2011
Assignee
1
4921 SPRING CYPRESS ROAD
SPRING, TEXAS 77379
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12454515
Correspondence name and address
JEFFREY S. BERGMAN
909 FANNIN ST.
SUITE 3500
HOUSTON, TX 77010
Assignment: 8
Reel/Frame:027251/0966   Pages: 5
Recorded: 11/18/2011
Attorney Dkt #:17794/007001
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE PATENT NUMBER FROM 7411595 TO 7441595 PREVIOUSLY RECORDED ON REEL 027201 FRAME 0311. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
11/03/2011
Assignee
1
4921 SPRING CYPRESS ROAD
SPRING, TEXAS 77379
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11348749
Correspondence name and address
JEFFREY S. BERGMAN
909 FANNIN ST.
SUITE 3500
HOUSTON, TX 77010
Assignment: 9
Reel/Frame:039948/0411   Pages: 4
Recorded: 10/05/2016
Attorney Dkt #:057326.000510
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
09/06/2016
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13935618
Correspondence name and address
BAKER & HOSTETLER LLP
WASHINGTON SQUARE, SUITE 1100
1050 CONNECTICUT AVE. N.W.
WASHINGTON, DC 20036

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