Inventor
GRISWOLD CHAUNCEY W
US55 patents
⚠️ This page may combine multiple inventors who share the name “GRISWOLD CHAUNCEY W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IGT RENO NEV
22 patentsUS7309284B2Dec 18, 2007
Method for using a light valve to reduce the visibility of an object within a gaming apparatus
IGT RENO NEV126 citations99
US6638169B2Oct 28, 2003
Gaming machines with directed sound
IGT RENO NEV151 citations99
US6530842B1Mar 11, 2003
Electronic gaming machine with enclosed seating unit
IGT RENO NEV424 citations99
US7867083B2Jan 11, 2011
Methods and apparatus for limiting access to games using biometric data
IGT RENO NEV108 citations98
US7611411B2Nov 3, 2009
Player tracking instruments having multiple communication modes
IGT RENO NEV67 citations98
US7329186B2Feb 12, 2008
Gaming system with rewritable display card and LCD input display for reading same
IGT RENO NEV90 citations98
USD496407SSep 21, 2004
Video slot machine cabinet
IGT RENO NEV112 citations98
US6835133B2Dec 28, 2004
Slot-table game apparatus and method of playing slot-table game
IGT RENO NEV71 citations97
US7488252B2Feb 10, 2009
Single source visual image display distribution on a gaming machine
IGT RENO NEV50 citations96
US9126113B2Sep 8, 2015
Projection button
IGT RENO NEV50 citations94
US7775881B2Aug 17, 2010
Gaming apparatus having a configurable control panel
IGT RENO NEV49 citations94
US7857700B2Dec 28, 2010
Three-dimensional autostereoscopic image display for a gaming apparatus
IGT RENO NEV30 citations93
US7837562B2Nov 23, 2010
Display panel for a gaming apparatus
IGT RENO NEV44 citations93
US7976384B2Jul 12, 2011
Contactless card reading in a gaming machine
IGT RENO NEV7 citations84
US7914378B2Mar 29, 2011
Gaming apparatus having a configurable control panel
IGT RENO NEV7 citations84
US7578741B2Aug 25, 2009
Wagering gaming device providing physical and visual stimulation responses to various components of the gaming device
IGT RENO NEV12 citations84
US7413512B2Aug 19, 2008
Display panel for a gaming apparatus
IGT RENO NEV15 citations84
US9129488B2Sep 8, 2015
Gaming machine reel having a rotatable dynamic display
IGT RENO NEV4 citations73
US9710103B2Jul 18, 2017
Method and apparatus for detecting lift off of a touchscreen
IGT RENO NEV1 citations63
US8376831B2Feb 19, 2013
Gaming machine having secondary display for providing video content
IGT RENO NEV3 citations63
US8342938B2Jan 1, 2013
Gaming machine reel having a rotatable dynamic display
IGT RENO NEV4 citations63
US7878902B2Feb 1, 2011
Secured verification of configuration data for field programmable gate array devices
IGT RENO NEV6 citations63
GRISWOLD CHAUNCEY W
10 patentsUS8079904B2Dec 20, 2011
Gaming access card with display
GRISWOLD CHAUNCEY W115 citations96
US8118670B2Feb 21, 2012
Method and apparatus for using a light valve to reduce the visibility of an object within a gaming apparatus
GRISWOLD CHAUNCEY W18 citations92
US8622825B2Jan 7, 2014
Mechanically rotating wheel with changeable image
GRISWOLD CHAUNCEY W8 citations84
US8529341B2Sep 10, 2013
Optically sensitive display for a gaming apparatus
GRISWOLD CHAUNCEY W7 citations84
US10096198B2Oct 9, 2018
Anonymous biometric player tracking
GRISWOLD CHAUNCEY W7 citations83
US9030726B2May 12, 2015
Acousto-optic modulator for multi-layer display
GRISWOLD CHAUNCEY W4 citations73
US8608319B2Dec 17, 2013
Multi-layer projection displays
GRISWOLD CHAUNCEY W6 citations65
US8636590B2Jan 28, 2014
Contactless card reading in a gaming machine
GRISWOLD CHAUNCEY W2 citations63
US8251809B2Aug 28, 2012
Contactless card reading in a gaming machine
GRISWOLD CHAUNCEY W4 citations63
US9082256B2Jul 14, 2015
Backlight for video display
GRISWOLD CHAUNCEY W3 citations59
INT GAME TECH
4 patentsUS6368216B1Apr 9, 2002
Gaming machine having secondary display for providing video content
INT GAME TECH1,036 citations99
US6135884AOct 24, 2000
Gaming machine having secondary display for providing video content
INT GAME TECH1,679 citations99
US6027115AFeb 22, 2000
Slot machine reels having luminescent display elements
INT GAME TECH796 citations98
US6435970B1Aug 20, 2002
Slot table game apparatus and method of playing slot-table game
INT GAME TECH79 citations97
WELLS WILLIAM R
4 patentsUS8123616B2Feb 28, 2012
Methods and apparatus for limiting access to games using biometric data
WELLS WILLIAM R95 citations98
US8057302B2Nov 15, 2011
Modular gaming machine and security system
WELLS WILLIAM R107 citations98
US8033902B2Oct 11, 2011
Wide screen gaming apparatus
WELLS WILLIAM R33 citations96
US8231463B2Jul 31, 2012
Modular gaming machine and security system
WELLS WILLIAM R3 citations63
MATTICE HAROLD E
4 patentsUS8125459B2Feb 28, 2012
Multi-user input systems and processing techniques for serving multiple users
MATTICE HAROLD E26 citations92
US8308561B2Nov 13, 2012
Gaming apparatus having a configurable control panel
MATTICE HAROLD E8 citations84
US8708820B2Apr 29, 2014
Movable mechanical display devices and methods
MATTICE HAROLD E4 citations73
US9335869B2May 10, 2016
Method and apparatus for detecting lift off on a touchscreen
MATTICE HAROLD E2 citations63
INTERNATIONAL GAME TECH
3 patentsGADDA CHRISTIAN E
1 patentPENNINGTON RICHARD M
1 patentHEDRICK JOSEPH R
1 patentShowing the top 50 of 55 patents by PatentIndex Score.