IP Library Assignment 015879/0961
Patent Assignment
Reel/Frame 015879/0961

Assignment of Assignor's Interest

Recorded: 2004-10-05 Pages: 3
Assignors
SPEARMAN, MICHAEL
Executed: 2004-10-01
BURBAN, JOHN H.
Executed: 2004-10-01
CROWDER, ROBERT O.
Executed: 2004-10-01
GEISZ, CARL M.
Executed: 2004-10-01
Assignee
POROUS MEDIA CORPORATION
1350 HAMMOND ROAD, ST. PAUL, MINNESOTA, 55110
Covered Property (1)
Oxygen Humidifier
Patent: 7,331,342 →
Application: 10/958,973 →
Publication: US 2005/0072425
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Mar 5, 2020
From: POROUS MEDIA CORPORATION
To: PENTAIR FILTRATION SOLUTIONS, LLC
Reel/Frame 052108/0154 →