Inventor

MARTIN DEAN C

US2 patents

Patents

2 patents

US4766640AAug 30, 1988

Self-propelled upright vacuum cleaner having a remotely disposed transmission and a positive locking mechanism

WHIRLPOOL CO50 citations86

US4624027ANov 25, 1986

Movable handle structure for control of self-propelled vacuum cleaner

WHIRLPOOL CO43 citations86