Patent Assignment
Reel/Frame 049112/0805
Assignment of Assignor's Interest
Recorded: 2019-05-08
Pages: 6
Assignors
CHENG, LIANG
Executed: 2019-05-04
JASUJA, HIMANSHU
Executed: 2019-04-30
ZHANG, ZHIQUN
Executed: 2019-04-30
FOX, ANDREW R.
Executed: 2019-04-30
Assignee
3M INNOVATIVE PROPERTIES COMPANY
P.O. BOX 33427, ST. PAUL, MINNESOTA, 55133-3427
Covered Property
(1)
Air Filter with Visual Filter Life Indicator Zone and Sorbent-Loaded Visual Reference Zone