Inventor
BITZEL MICHAEL E
9 patents
Patents
9 patentsUS4920606AMay 1, 1990
Electrical power circuit for a vacuum cleaner
BLACK & DECKER INC58 citations95
US6350087B1Feb 26, 2002
Tool-free collet tightener
BLACK & DECKER INC59 citations93
US4912805AApr 3, 1990
Dual-purpose rotating brush for vacuum cleaner
BLACK & DECKER INC82 citations93
US4947514AAug 14, 1990
Internal contact for a charging circuit
BLACK & DECKER INC36 citations92
US4385276AMay 24, 1983
Mounting of semiconductor sensing means for an electromagnetic tachometer in a portable electric tool
BLACK & DECKER INC34 citations92
US5526596AJun 18, 1996
Electric iron with storage base and method of storing the iron
BLACK & DECKER INC22 citations91
US4928346AMay 29, 1990
Hand-held vacuum cleaner with power brush
BLACK & DECKER INC51 citations90
US4841594AJun 27, 1989
Cordless vacuum cleaner with power brush
BLACK & DECKER INC49 citations90
US6648567B2Nov 18, 2003
Tool-free collet tightener
BLACK & DECKER INC16 citations89