Patent Assignment
Reel/Frame 015933/0723
Assignment of Assignor's Interest
Recorded: 2004-10-29
Pages: 4
Assignors
WILSON-LANGMAN, ALAN
Executed: 2004-10-09
INGGS, MICHAEL R.
Executed: 2004-10-09
DU TOIT, LEENDERT JOHANNES
Executed: 2004-09-15
KOTHARI, KIRANKUMAR M.
Executed: 2004-09-22
HANSON, DAVID R.
Executed: 2004-09-29
Assignee
GAS RESEARCH INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD, DES PLAINES, ILLINOIS, 60018
Covered Property
(1)
Obstacle Detection System for Underground Operations
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.