P

Inventor

KRONZER JOSEPH P

US6 patents
⚠️ This page may combine multiple inventors who share the name “KRONZER JOSEPH P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MINNESOTA MINING & MFG

4 patents
US7131442B1Nov 7, 2006

Fibrous filtration face mask

MINNESOTA MINING & MFG89 citations97
US5307796AMay 3, 1994

Methods of forming fibrous filtration face masks

MINNESOTA MINING & MFG202 citations97
US4769022ASep 6, 1988

Cleansing pad

MINNESOTA MINING & MFG63 citations95
US4837067AJun 6, 1989

Nonwoven thermal insulating batts

MINNESOTA MINING & MFG103 citations94

3M INNOVATIVE PROPERTIES CO

1 patent
US11033763B2Jun 15, 2021

Respirator including polymeric netting and method of forming same

3M INNOVATIVE PROPERTIES CO5 citations68

3M INNOVATIVE PROPERTIES COMPANY

1 patent
US11534632B2Dec 27, 2022

Fit-test method for respirator with sensing system

3M INNOVATIVE PROPERTIES COMPANY1 citations60