Inventor
DANISCH SUSAN G
US4 patents
Patents
4 patentsUS6014971AJan 18, 2000
Protective system for face and respiratory protection
3M INNOVATIVE PROPERTIES CO133 citations96
US6250299B1Jun 26, 2001
Protective system for face and respiratory protection
3M INNOVATIVE PROPERTIES CO48 citations94
USD480476SOct 7, 2003
Filter cartridge for an escape hood
3M INNOVATIVE PROPERTIES CO37 citations91
US6279572B1Aug 28, 2001
Protective system for face and respiratory protection
3M INNOVATIVE PROPERTIES CO35 citations90