Inventor
WOLF ROGER P
US8 patents
⚠️ This page may combine multiple inventors who share the name “WOLF ROGER P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINE SAFETY APPLIANCES CO
5 patentsUS4201119AMay 6, 1980
Filter pleating machine
MINE SAFETY APPLIANCES CO31 citations91
US6345620B2Feb 12, 2002
Flexible respirator filter
MINE SAFETY APPLIANCES CO38 citations90
US7261104B2Aug 28, 2007
Respirator facepieces
MINE SAFETY APPLIANCES CO54 citations89
US5531803AJul 2, 1996
Metal cover for respirator cartridge
MINE SAFETY APPLIANCES CO9 citations67
US4147524AApr 3, 1979
Filter unit
MINE SAFETY APPLIANCES CO4 citations61