Assignee
MASCHER WERNER
4 patents
Top patents by PatentIndex Score
US4461291AJul 24, 1984
Respirator
MASCHER WERNER9 citations71
US4112048ASep 5, 1978
Air-regeneration filter
MASCHER WERNER5 citations60
US4099526AJul 11, 1978
Filter-type gas mask and breathing device arranged in a carrying case
MASCHER WERNER6 citations60
US4070154AJan 24, 1978
Method and apparatus for determining the alcohol content of fuels
MASCHER WERNER5 citations58