IP Library Assignment 022795/0680
Patent Assignment
Reel/Frame 022795/0680

Assignment of Assignor's Interest

Recorded: 2009-06-08 Pages: 4
Assignors
LI, YOUZHI
Executed: 2009-06-08
CHEN, BO
Executed: 2009-06-08
Assignee
NELLCOR PURITAN BENNETT LLC
6135 GUNBARREL AVENUE, BOULDER, COLORADO, 80301
Covered Property (1)
Endotracheal Tube with Dedicated Evacuation Port
Patent: 8,434,488 →
Application: 12/480,394 →
Publication: US 2010/0307508
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 30, 2012
From: NELLCOR PURITAN BENNETT LLC
To: COVIDIEN LP
Reel/Frame 029386/0230 →
Assignment of Assignor's Interest Dec 21, 2017
From: LI, YOUZHI; CHEN, BO
To: COVIDIEN LP
Reel/Frame 045058/0636 →