KR

Karl Roelofs

AL Aristocrat Technologies Australia Pty Limited: 17 patents #52 of 510Top 15%
AT Aristocrat Technologies: 4 patents #97 of 301Top 35%
VT Video Gaming Technologies: 1 patents #51 of 58Top 90%
📍 Charlottesville, VA: #38 of 1,304 inventorsTop 3%
🗺 Virginia: #1,022 of 34,511 inventorsTop 3%
Overall (All Time): #177,920 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12394274 Electronic gaming machine and system with dynamic reel wall deformation through metamorphic reel symbol expansion David Marsh 2025-08-19
12361791 Gaming machine and method for displaying a free spin count-up David Marsh, Michael P. Casey 2025-07-15
12340662 Systems and methods for consolidating symbols in electronic gaming David Marsh 2025-06-24
12257515 Electronic gaming machine and system with a wheel feature mode dependent on base game outcomes David Marsh, Ryan North 2025-03-25
12183168 Gaming machine with enhanced respin feature David Marsh 2024-12-31
12142106 Gameplay method with connected image segments David Marsh 2024-11-12
12087124 Systems and methods for electronic gaming in which an active area alternates between sets of reels David Marsh 2024-09-10
11948427 Systems and methods for increasing a multiplier and providing a bingo award in association with a multiplier David Marsh 2024-04-02
11801438 Electronic gaming machine and system with a wheel feature mode dependent on base game outcomes David Marsh, Ryan North 2023-10-31
11804097 Systems and methods for electronic gaming in which an active area alternates between sets of reels David Marsh 2023-10-31
11783664 Gameplay method with connected image segments David Marsh 2023-10-10
11521468 Gaming machine with enhanced respin feature David Marsh 2022-12-06
11482077 Gaming machine and method for displaying a free spin count-up David Marsh, Michael P. Casey 2022-10-25
11403914 Systems and methods for increasing a multiplier and providing a bingo award in association with a multiplier David Marsh 2022-08-02
11341804 Gameplay method with connected image segments David Marsh 2022-05-24
11100748 Systems and methods for electronic gaming in which an active area alternates between sets of reels David Marsh 2021-08-24
10957159 Gaming machine and method for displaying a free spin count-up David Marsh, Michael P. Casey 2021-03-23
10937269 Electronic gaming machines with free play multipliers David Marsh 2021-03-02
10861286 Enhanced visualization of game wager outcomes provided by symbol collectors in a game display David Marsh 2020-12-08
10733849 Gaming machine with enhanced respin feature David Marsh 2020-08-04
10726661 Gameplay method with connected image segments David Marsh 2020-07-28
9197911 Method and apparatus for providing interaction packages to users based on metadata associated with content Eugene Evans, Dave Marsh, Jonathan Small, Chris Melissinos, Chris Brasted 2015-11-24
8096871 Gaming machine and method 2012-01-17