Inventor
DAMSTRA ATE K
NL4 patents
Patents
4 patentsUS5363534ANov 15, 1994
Vacuum cleaner and suction tube for use with a vacuum cleaner
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US5671535ASep 30, 1997
Shaving apparatus with controllable motor speed
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US4959556ASep 25, 1990
Circuit arrangement for deriving a direct voltage from the mains alternating voltage
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US4672367AJun 9, 1987
Optical indicator device
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