Patent Assignment
Reel/Frame 029244/0770
Nunc Pro Tunc Assignment
Recorded: 2012-11-06
Pages: 10
Assignors
DORIA, MASON T.
Executed: 2012-11-01
WINWOOD, APRIL LYNN
Executed: 2012-10-30
GRILLO, MATTHEW CHARLES
Executed: 2012-10-26
ONUSKA, SAMUEL DAVID
Executed: 2012-10-27
Assignee
MINE SAFETY APPLIANCES COMPANY
121 GAMMA DRIVE, PITTSBURGH, PENNSYLVANIA, 15230
Covered Property
(1)
Protective Headwear
Application:
12/873,384 →
Publication:
US 2011/0072547
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.