Inventor

GUTTMANN SILVIA G

US2 patents

Patents

2 patents

US11918837B2Mar 5, 2024

Fit-test method for respirator with sensing system

3M INNOVATIVE PROPERTIES COMPANY2 citations63

US12168564B2Dec 17, 2024

Multi-slit tension-activated, expanding sheets

3M INNOVATIVE PROPERTIES COMPANY0 citations47