Patent Assignment
Reel/Frame 028970/0454
Assignment of Assignor's Interest
Recorded: 2012-09-17
Pages: 2
Assignee
MINE SAFETY APPLIANCES COMPANY
1000 CRANBERRY WOODS DRIVE, CRANBERRY TOWNSHIP, PENNSYLVANIA, 16066
Covered Property
(1)
Sensor Assemblies and Vent Members Therefor
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.