Inventor
DICKINSON PETER D
US17 patents
⚠️ This page may combine multiple inventors who share the name “DICKINSON PETER D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
5 patentsUS4035627AJul 12, 1977
Scientific calculator
HEWLETT PACKARD CO30 citations81
US3987290AOct 19, 1976
Calculator apparatus for displaying data in engineering notation
HEWLETT PACKARD CO6 citations74
US4001569AJan 4, 1977
General purpose calculator having selective data storage, data conversion and time-keeping capabilities
HEWLETT PACKARD CO20 citations73
US4059750ANov 22, 1977
General purpose calculator having selective data storage, data conversion and time-keeping capabilities
HEWLETT PACKARD CO5 citations62
US4047012ASep 6, 1977
General purpose calculator having factorial capability
HEWLETT PACKARD CO1 citations48
IGT RENO NEV
4 patentsUS5058893AOct 22, 1991
Reel monitoring device for an amusement machine
IGT RENO NEV131 citations97
US4660833AApr 28, 1987
Reel monitoring and diagnostic device for an amusement machine
IGT RENO NEV76 citations93
US4635937AJan 13, 1987
Amusement machine
IGT RENO NEV43 citations92
USD284592SJul 8, 1986
Electronic game machine or similar article
IGT RENO NEV38 citations88
INT GAME TECH
3 patentsUS6210279B1Apr 3, 2001
Gaming machine and method using touch screen
INT GAME TECH888 citations99
US5951397ASep 14, 1999
Gaming machine and method using touch screen
INT GAME TECH1,602 citations99
US5644704AJul 1, 1997
Method and apparatus for verifying the contents of a storage device
INT GAME TECH96 citations93