Inventor
ROTH SYDNEY J
7 patents
⚠️ This page may combine multiple inventors who share the name “ROTH SYDNEY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEAR AUTOMOTIVE SERVICE EQUIP
5 patentsUS4423378ADec 27, 1983
Automotive battery test apparatus
BEAR AUTOMOTIVE SERVICE EQUIP275 citations98
US4476531AOct 9, 1984
Engine analyzer with digital waveform display
BEAR AUTOMOTIVE SERVICE EQUIP49 citations91
US4502324AMar 5, 1985
Engine analyzer power check apparatus
BEAR AUTOMOTIVE SERVICE EQUIP17 citations72
US4490799ADec 25, 1984
Ignition coil test apparatus
BEAR AUTOMOTIVE SERVICE EQUIP9 citations72
US4472779ASep 18, 1984
Engine timing apparatus for use in testing
BEAR AUTOMOTIVE SERVICE EQUIP15 citations72