Inventor
CONNORS JOHN D
US5 patents
Patents
5 patentsUS4147163AApr 3, 1979
Medical instrument and handle assembly
WELCH ALLYN INC69 citations94
US5177424AJan 5, 1993
Instrument handle for use with interchangeable batteries
WELCH ALLYN INC78 citations93
US4552153ANov 12, 1985
Pressure gauge
WELCH ALLYN INC30 citations92
US4006738AFeb 8, 1977
Otoscope construction
WELCH ALLYN INC52 citations91
US5153495AOct 6, 1992
Convertible battery handle
WELCH ALLYN INC8 citations71