Inventor
WENNINGER FREDDIE W
9 patents
Patents
9 patentsUS4012725AMar 15, 1977
Programmable calculator
HEWLETT PACKARD CO35 citations90
US3971925AJul 27, 1976
Adaptable programmed calculator having provision for plug-in keyboard and memory modules
HEWLETT PACKARD CO47 citations90
US4181966AJan 1, 1980
Adaptable programmed calculator including a percent keyboard operator
HEWLETT PACKARD CO21 citations80
US4366553ADec 28, 1982
Electronic computing apparatus employing basic language
HEWLETT PACKARD CO7 citations71
US4322816AMar 30, 1982
Programmable calculator having structure for controlling an x-y plotter
HEWLETT PACKARD CO9 citations71
US4156921AMay 29, 1979
Adaptable programmed calculator including automatic decimal point positioning
HEWLETT PACKARD CO5 citations60
US4127897ANov 28, 1978
Programmable calculator having extended input/output capability
HEWLETT PACKARD CO4 citations60
US3974523AAug 10, 1976
Speed invariant decoding of digital information from a magnetic tape
HEWLETT PACKARD CO5 citations53
US4546448AOct 8, 1985
Programmable calculator including program variable initialization means and definition means array
HEWLETT PACKARD CO0 citations49