Inventor
HARBECK MARTIN E
5 patents
⚠️ This page may combine multiple inventors who share the name “HARBECK MARTIN E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SINGER CO
4 patentsUS4660246AApr 28, 1987
Versatile vacuum cleaning appliance
SINGER CO94 citations95
US4512057AApr 23, 1985
Floor care appliance
SINGER CO48 citations91
US4397057AAug 9, 1983
Apparatus for cleaning carpets and the like
SINGER CO50 citations90
US4334336AJun 15, 1982
Surface cleaning vacuum nozzle
SINGER CO27 citations78