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Patent Assignment Assignor Details
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Assignor Name : RAVENSBERGEN, JOHN E.
Total Assignments: 5
Assignment: 1
Reel/Frame:009369/0722   Pages: 7
Recorded: 08/07/1998
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT PCT NUMBER THAT WAS PREVIOUSLY RECORDED AT REEL 9185, FRAME 0520.
Assignors
1
Exec Dt:
04/16/1998
2
Exec Dt:
02/17/1998
Assignee
1
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09355077
Correspondence name and address
BUTLER & BINION, L.L.P.
SUE Z. SHAPER
1000 LOUISIANA, STE. 1600
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:009281/0332   Pages: 5
Recorded: 06/30/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/24/1998
2
Exec Dt:
06/24/1998
Assignee
1
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09028939
Correspondence name and address
BUTLER & BINION, L.L.P.
SUE Z. SHAPER
1000 LOUISIANA
SUITE 1600
HOUSTON, TX 77002
Assignment: 3
Reel/Frame:011327/0788   Pages: 3
Recorded: 11/22/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/15/2000
2
Exec Dt:
11/15/2000
Assignee
1
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09630828
Correspondence name and address
FELSMAN, BRADLEY, VADEN, GUNTER ET AL
SUE Z. SHAPER
ONE RIVERWAY
SUITE 1100
HOUSTON, TX 77056-1920
Assignment: 4
Reel/Frame:014984/0148   Pages: 4
Recorded: 02/05/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/16/2003
2
Exec Dt:
12/16/2003
3
Exec Dt:
12/16/2003
Assignee
1
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10773466
Correspondence name and address
HOWREY SIMON ARNOLD ET.AL.
GREGG DUFFEY
750 BERING DRIVE
HOUSTON, TX 77057
Assignment: 5
Reel/Frame:015504/0346   Pages: 4
Recorded: 12/22/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/23/2004
2
Exec Dt:
11/25/2004
Assignee
1
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10929340
Correspondence name and address
HOWREY SIMON ARNOLD, ET AL
GREGG A. DUFFEY
2941 FAIRVIEW PARK DRIVE
SUITES 200 & 300
FALLS CHURCH, VA 22042

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