Patent Assignment
Reel/Frame 015466/0833
Assignment of Assignor's Interest
Recorded: 2004-06-17
Pages: 2
Assignor
SCHEFFLER, TOWNER B.
Executed: 2004-05-04
Assignee
MINE SAFETY APPLIANCES COMPANY
121 GAMMA DRIVE, PITTSBURGH, PENNSYLVANIA, 15238
Covered Property
(1)
Devices, Systems and Methods for Testing Gas Sensors and Correcting Gas Sensor Output
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.