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SIGMA GAME INC

Overview
  • Total Patents
    40
About

SIGMA GAME INC has a total of 40 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets control, machines and civil engineering are AUTOSALES GUM AND CHOCOLATE COMPANY, ROWE MFG CO INC and AINSWORTH NOMINEES PTY LTD.

Patent filings per year

Chart showing SIGMA GAME INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Piechowiak Robert J 22
#2 Crawford Curtis J 17
#3 Mckay Linn A 8
#4 Jackson James P 7
#5 Desimone Frank C 7
#6 Gifford Darin T 3
#7 Ginsburg Alec 3
#8 Sanduski Thomas J 2
#9 Dini Michael Thomas 2
#10 Desimone Frank 2

Latest patents

Publication Filing date Title
US6755737B2 Gaming machine having bonus game
CA2334546A1 Slot machine having multiple progressive jackpots
CA2325413A1 Slot machine with symbol save feature
US6595856B1 Electronic security technique for gaming software
US6270412B1 Slot machine with symbol save feature
US6149521A Video poker game with multiplier card
US6138814A Front loading cash box assembly
US6558253B1 Slot machine with award multiplier display
US6110040A Video poker machine with revealed sixth card
US5997401A Slot machine with symbol save feature
US6012982A Bonus award feature in linked gaming machines having a common feature controller
US5807172A Three reel slot machine with nine ways to win
AU6211596A Bonus award for linked gaming machines having a common feature controller
CA2183874A1 Linked gaming machines having a common feature controller
US5580309A Linked gaming machines having a common feature controller
US5129330A Currency security box