Inventor
BROSTROM GERALD M
15 patents
⚠️ This page may combine multiple inventors who share the name “BROSTROM GERALD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
8 patentsUS5481763AJan 9, 1996
Molded head harness
MINNESOTA MINING & MFG271 citations99
US5394568AMar 7, 1995
Molded head harness
MINNESOTA MINING & MFG269 citations99
USD378610SMar 25, 1997
Full face respirator
MINNESOTA MINING & MFG131 citations98
US4886058ADec 12, 1989
Filter element
MINNESOTA MINING & MFG168 citations97
USRE35062EOct 17, 1995
Filter element
MINNESOTA MINING & MFG86 citations94
USD379160SMay 13, 1997
Buckle
MINNESOTA MINING & MFG14 citations74
USD409744SMay 11, 1999
Full face respirator lens
MINNESOTA MINING & MFG6 citations73
USD388872SJan 6, 1998
Full face respirator lens
MINNESOTA MINING & MFG12 citations73
3M INNOVATIVE PROPERTIES CO
7 patentsUS6457473B1Oct 1, 2002
Drop-down face mask assembly
3M INNOVATIVE PROPERTIES CO218 citations99
US6062221AMay 16, 2000
Drop-down face mask assembly
3M INNOVATIVE PROPERTIES CO173 citations99
US6732733B1May 11, 2004
Half-mask respirator with head harness assembly
3M INNOVATIVE PROPERTIES CO127 citations98
US6016805AJan 25, 2000
Face seal for respirator
3M INNOVATIVE PROPERTIES CO64 citations96
USD426298SJun 6, 2000
Full-face respirator lens
3M INNOVATIVE PROPERTIES CO16 citations83
USD421299SFeb 29, 2000
Carriage for drop-down mask assembly
3M INNOVATIVE PROPERTIES CO9 citations74
USD421801SMar 21, 2000
Carriage for drop-down mask assembly
3M INNOVATIVE PROPERTIES CO3 citations63