IP Library › Assignment 010314/0912
Patent Assignment
Reel/Frame 010314/0912

Assignment of Assignor's Interest

Recorded: 1999-10-12 Pages: 4
Assignors
BOWMAN, BRUCE R.
Executed: 1999-10-07
HANSEN, GARY L.
Executed: 1999-10-07
Assignee
MALLINCKRODT INC.
P.O. BOX 5840, 675 MCDONNELL BOULEVARD, ST. LOUIS, MISSOURI, 63134
Covered Property (1)
Variable Aperture Venting for Respiratory Mask
Patent: 6,644,316 →
Application: 09/416,648 →
Publication: US 2003/0000532
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 11, 2011
From: MALLINCKRODT INC.
To: NELLCOR PURITAN BENNETT LLC
Reel/Frame 026738/0261 →
Assignment of Assignor's Interest Dec 9, 2012
From: NELLCOR PURITAN BENNETT LLC
To: COVIDIEN LP
Reel/Frame 029432/0521 →