DM

David Marsh

AT Aristocrat Technologies: 7 patents #60 of 301Top 20%
TS The Stouffer: 1 patents #4 of 18Top 25%
IBM: 1 patents #44,794 of 70,183Top 65%
Micron: 1 patents #4,761 of 6,345Top 80%
Overall (All Time): #479,978 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1094415 Display screen with a graphical user interface Daniel Marston, Brian Prince 2025-09-23
12394274 Electronic gaming machine and system with dynamic reel wall deformation through metamorphic reel symbol expansion Karl Roelofs 2025-08-19
12374193 Electronic gaming systems and methods for presenting a bonus game with enhanced characteristics Kevin Walsh, Jeffrey Uss, Daniel Marston, Allon G. Englman 2025-07-29
12367742 Systems and methods for a free spin count-up and subsequent count-down Daniel Marston 2025-07-22
12340662 Systems and methods for consolidating symbols in electronic gaming Karl Roelofs 2025-06-24
12257515 Electronic gaming machine and system with a wheel feature mode dependent on base game outcomes Karl Roelofs, Ryan North 2025-03-25
12027016 Systems and methods for a free spin count-up and subsequent count-down Daniel Marston 2024-07-02
6832208 Invoice entry Charles Franklin Berry, Cindy L. Crowningshield 2004-12-14
6763462 E-mail virus detection utility 2004-07-13
D309521 Ravioli John T. Eureka, Linda K. Law 1990-07-31