Inventor

ZELINSKY MARIA L

US2 patents

Patents

2 patents

US9358494B2Jun 7, 2016

End of service life indicating systems for layered filter cartridges

3M INNOVATIVE PROPERTIES CO5 citations66

US9751038B2Sep 5, 2017

End of service life indicating systems for layered filter cartridges

3M INNOVATIVE PROPERTIES CO2 citations63