Melissa A. Checky

Follow

Person

Mahtomedi, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
End of service life indicating systems for layered filter cartridges
- Patent number 9,751,038
- Issue date Sep 5, 2017
- 3M Innovative Properties Company
- Kevin A. Frankel
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
End of Service Life Indicating Systems For Layered Filter Cartridges
- Publication number 20160030877
- Publication date Feb 4, 2016
- 3M INNOVATIVE PROPERTIES COMPANY
- Kevin A. Frankel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL