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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
11/06/1990
Application #:
07311058
Filing Dt:
02/16/1989
Inventors:
MICHAEL D. WILSON, DALE A. SCHMITT
Title:
TRENCH GRATING AND METHOD OF MANUFACTURE
Assignment: 1
Reel/Frame:
005045/0481Recorded: 02/16/1989Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
01/04/1989
Exec Dt:
01/04/1989
Assignee:
, P.O. BOX 75669, A CORP. OF OK
OKLAHOMA CITY, OKLAHOMA 73147
Correspondent:
ROBERT M. HESSIN
LANEY, DOUGHERTY, HESSIN & BEAVERS
SUITE 900, 101 PARK AVENUE
OKLAHOMA CITY, OK 73102
Assignment: 2
Reel/Frame:
006194/0338Recorded: 07/08/1992Pages: 10
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/13/1991
Assignee:
1101 WALNUT ST.
KANSAS CITY, MISSOURI 64106
Correspondent:
MORRISON & HECKER
LINDA L. MCCLURE
2600 GRAND AVE.
KANSAS CITY, MO 64108-4606
Assignment: 3
Reel/Frame:
005856/0450Recorded: 09/26/1991Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
09/25/1991
Assignee:
Correspondent:
ROBERT M. HESSIN
TWO LEADERSHIP SQUARE
211 N. ROBINSON, STE. 1400
OKLAHOMA CITY, OK 73102

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