Inventor
DIEHL RALPH
DE3 patents
Patents
3 patentsUS7225500B2Jun 5, 2007
Sensor apparatus and self-propelled floor cleaning appliance having a sensor apparatus
KAERCHER GMBH & CO KG ALFRED153 citations94
US7053578B2May 30, 2006
Floor treatment system
KAERCHER GMBH & CO KG ALFRED292 citations94
US7659693B2Feb 9, 2010
Rechargeable battery
KAERCHER GMBH & CO KG ALFRED4 citations59