Patent Assignment
Reel/Frame 009747/0712
Assignment of Assignor's Interest
Recorded: 1999-02-08
Pages: 2
Assignors
SALAPOW, THOMAS M.
Executed: 1998-12-15
WOLF, ROGER P.
Executed: 1998-12-15
ZELLER, PAUL A.
Executed: 1998-12-15
Assignee
MINE SAFETY APPLIANCES COMPANY
121 GAMMA DRIVE, PITTSBURGH, PENNSYLVANIA, 15238
Covered Property
(1)
Flexible Respirator Filter
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 13, 2014
From: MINE SAFETY APPLIANCES COMPANY, LLC
To: MSA TECHNOLOGY, LLC
Reel/Frame 032444/0471 →
Merger
Mar 13, 2014
From: MINE SAFETY APPLIANCES COMPANY
To: MINE SAFETY APPLIANCES COMPANY, LLC
Reel/Frame 032445/0190 →
Assignment of Assignor's Interest
Apr 23, 2019
From: MSA TECHNOLOGY, LLC
To: MSA APR IP COMPANY, LLC
Reel/Frame 048969/0851 →
Merger and Change of Name
Apr 24, 2019
From: MSA APR IP COMPANY, LLC; MINE SAFETY APPLIANCES COMPANY, LLC
To: MINE SAFETY APPLIANCES COMPANY, LLC
Reel/Frame 048977/0270 →