Patent Assignment
Reel/Frame 012491/0711
Assignment of Assignor's Interest
Recorded: 2002-01-14
Pages: 3
Assignor
CRIBBS, ROBERT W.
Executed: 2001-08-14
Assignee
GAS RESEARCH INSTITUTE
1700 SOUTH MOUNT PROSPECT ROAD, DES PLAINES, ILLINOIS, 60018
Covered Property
(1)
Application of Sonic Signals to Detect Buried, Underground Utilities
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.