Inventor
KROCKENBERGER KLAUS
DE3 patents
Patents
3 patentsUS5455557AOct 3, 1995
Auxiliary back-up and trailer coupling device for motor vehicles
BOSCH GMBH ROBERT168 citations96
US5508974AApr 16, 1996
Method and device for ultrasonic distance measuring
BOSCH GMBH ROBERT15 citations71
US5687192ANov 11, 1997
Circuit arrangement for transmitting information on a two-wire line
BOSCH GMBH ROBERT7 citations67