Inventor · disambiguated record
Curtis J. Crawford
Also filed as: CRAWFORD CURTIS · CRAWFORD CURTIS J
8 granted patents·1 pending application·5,267 citations·filing 1994–2003
93Inventor score
Top patents by PatentIndex Score
9 records- 0196US6012982ABonus award feature in linked gaming machines having a common feature controllerSIGMA GAME INC·Filed 1996·Granted Jan 11, 2000·1.2k cites·26 claims
- 0296US5580309ALinked gaming machines having a common feature controllerSIGMA GAME INC·Filed 1994·Granted Dec 3, 1996·772 cites·25 claims
- 0395US6168523B1Bonus award feature in a gaming machineSIGMA GAME INC·Filed 1998·Granted Jan 2, 2001·959 cites·19 claims
- 0495US5997401ASlot machine with symbol save featureSIGMA GAME INC·Filed 1996·Granted Dec 7, 1999·1.2k cites·13 claims
- 0594US6270412B1Slot machine with symbol save featureSIGMA GAME INC·Filed 1999·Granted Aug 7, 2001·895 cites·45 claims
- 0681US6749501B2System and method of playing a card gameFiled 2001·Granted Jun 15, 2004·35 cites·15 claims
- 0775US6984173B1Slot machine using a count valve to award bonus gameMULTIMEDIA GAMES INC·Filed 1998·Granted Jan 10, 2006·176 cites·11 claims
- 0868US6726561B2System and method of playing a card gameFiled 2003·Granted Apr 27, 2004·11 cites·17 claims
- 0944US2003017868A1System and method for multi-line slot machinesFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Curtis J. Crawford files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →