Inventor
WILLIAMS DAVID C
US46 patents
⚠️ This page may combine multiple inventors who share the name “WILLIAMS DAVID C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WILLIAMS DAVID C
11 patentsUS8142273B2Mar 27, 2012
Presentation of wheels on gaming machines having multi-layer displays
WILLIAMS DAVID C46 citations93
US8758144B2Jun 24, 2014
Separable backlighting system
WILLIAMS DAVID C79 citations92
US8210922B2Jul 3, 2012
Separable game graphics on a gaming machine
WILLIAMS DAVID C30 citations92
US8192281B2Jun 5, 2012
Simulated reel imperfections
WILLIAMS DAVID C20 citations92
US9873005B1Jan 23, 2018
Fireman's carry strap
WILLIAMS DAVID C9 citations84
US8727855B2May 20, 2014
Three-dimensional paylines for gaming machines
WILLIAMS DAVID C18 citations83
US8512139B2Aug 20, 2013
Multi-layer display 3D server based portals
WILLIAMS DAVID C20 citations83
US8199068B2Jun 12, 2012
Single plane spanning mode across independently driven displays
WILLIAMS DAVID C10 citations83
US5126678AJun 30, 1992
A.C. Generator fault detector
WILLIAMS DAVID C15 citations74
US8414391B2Apr 9, 2013
Communication methods for networked gaming systems
WILLIAMS DAVID C3 citations63
USD828638SSep 11, 2018
Fireman's carry strap
WILLIAMS DAVID C0 citations52
UNISYS CORP
8 patentsUS5029226AJul 2, 1991
Method and apparatus for effecting spot/void filtering of image data
UNISYS CORP33 citations93
US5157740AOct 20, 1992
Method for background suppression in an image data processing system
UNISYS CORP68 citations92
US5140444AAug 18, 1992
Image data processor
UNISYS CORP25 citations89
US5093871AMar 3, 1992
Method and apparatus for effecting background suppression of image data
UNISYS CORP35 citations89
US5007100AApr 9, 1991
Diagnostic system for a parallel pipelined image processing system
UNISYS CORP37 citations89
US5020124AMay 28, 1991
Method and apparatus for detecting document size in an imaging system
UNISYS CORP8 citations72
US5420941AMay 30, 1995
Parallel pipelined image processor
UNISYS CORP11 citations71
US5287416AFeb 15, 1994
Parallel pipelined image processor
UNISYS CORP6 citations71
IGT RENO NEV
6 patentsUS10497204B2Dec 3, 2019
Methods and systems for tracking an event of an externally controlled interface
IGT RENO NEV20 citations93
US8353764B2Jan 15, 2013
Behavioral biometrics for authentication in computing environments
IGT RENO NEV28 citations92
US8357033B2Jan 22, 2013
Realistic video reels
IGT RENO NEV16 citations84
US9342955B2May 17, 2016
Methods and systems for tracking an event of an externally controlled interface
IGT RENO NEV7 citations83
US8360847B2Jan 29, 2013
Multimedia emulation of physical reel hardware in processor-based gaming machines
IGT RENO NEV12 citations81
US9519762B2Dec 13, 2016
Behavioral biometrics for authentication in computing environments
IGT RENO NEV5 citations72
NESEMEIER FREDERICK G
5 patentsUS9305442B1Apr 5, 2016
Apparatus, systems and methods for signal localization and differentiation
NESEMEIER FREDERICK G7 citations81
US10395491B2Aug 27, 2019
Apparatus, systems, and methods for signal localization and differentiation
NESEMEIER FREDERICK G0 citations49
US10002502B2Jun 19, 2018
Apparatus, systems, and methods for signal localization and differentiation
NESEMEIER FREDERICK G0 citations49
US9524625B1Dec 20, 2016
Apparatus, systems, and methods for signal localization and differentiation
NESEMEIER FREDERICK G0 citations49
US9514619B1Dec 6, 2016
Apparatus, systems, and methods for signal localization and differentiation
NESEMEIER FREDERICK G0 citations49
WEBER REID M
3 patentsUS8968077B2Mar 3, 2015
Methods and systems for interfacing with a third-party application
WEBER REID M50 citations96
US9685034B2Jun 20, 2017
Methods and systems for interfacing with a third-party application
WEBER REID M4 citations72
US8992304B2Mar 31, 2015
Methods and systems for tracking an event of an externally controlled interface
WEBER REID M1 citations61