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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
02/04/1992
Application #:
07666234
Filing Dt:
03/08/1991
Inventor:
LARRY M. DUGAN
Title:
JOINT SYSTEM
Assignment: 1
Reel/Frame:
005648/0575Recorded: 03/29/1991Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/06/1991
Assignee:
A CORP. OF CO
GOLDEN, COLORADO 80401
Correspondent:
BRUCE G. KLAAS
KLAAS & LAW
738 PEARL ST.,
DENVER, CO 80203
Assignment: 2
Reel/Frame:
007114/0812Recorded: 08/22/1994Pages: 3
Conveyance:
EXCLUSIVE LICENSE
Assignor:
Exec Dt:
06/01/1994
Assignee:
2040 OREGON ST.
ODESSA, TEXAS 79764
Correspondent:
DANIEL J. HOLLMANN
1205 W. UNIVERSITY
ODESSA, TEXAS 79764
Assignment: 3
Reel/Frame:
012665/0213Recorded: 03/05/2002Pages: 23
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/21/2001
Assignee:
SUITE 600
901 MAIN STREET
DALLAS, TEXAS 75202
Correspondent:
HAYNES AND BOONE, LLP
BRIAN J. HUBBARD
901 MAIN STREET, SUITE 3100
DALLAS, TX 75202-3789
Assignment: 4
Reel/Frame:
014078/0641Recorded: 10/27/2003Pages: 7
Conveyance:
RELEASE OF SECURITY AGREEMENT
Assignor:
Exec Dt:
10/08/2003
Assignee:
16000 TABLE MOUNTAIN PARKWAY
GOLDEN, COLORADO 80404
Correspondent:
HOGAN & HARTSON LLP
FELICIA D. GORDON
8300 GREENSBORO DR.
STE. 1100
MCLEAN, VA 22102

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