Michael J. Mitchell
73Patents
16h-index
60Co-inventors
87Inventor score
Filing activity: Mar 19, 1976 → Jan 16, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7824267B2 | Method and apparatus for gaming machines with a tournament play bonus feature | Physics | 106 | Active |
| USD550301S1 | Universal button module | General | 45 | Expired |
| USD550304S1 | Universal button module | General | 36 | Expired |
| US8043157B2 | Method and apparatus for gaming machines with a tournament play bonus feature | Physics | 30 | Active |
| US8430736B2 | Method and apparatus for gaming machines with a tournament play bonus feature | Physics | 29 | Active |
| USD556268S1 | Universal button module | General | 29 | Expired |
| US9111416B2 | Method and apparatus for gaming machines with a tournament play bonus feature | Physics | 28 | Active |
| US8690661B2 | Method and apparatus for gaming machines with a tournament play bonus feature | Physics | 27 | Active |
| US4476624A | Method for making spirally wound cells | Emerging Cross-Sectional Technologies | 26 | Expired |
| US9165429B2 | Method and apparatus for gaming machines with a tournament play bonus feature | Physics | 26 | Active |
| US9633509B2 | Method and apparatus for gaming machines with a tournament play bonus feature | Physics | 26 | Active |
| US7023312B1 | Integrated cooling duct for resin-encapsulated distribution transformer coils | Emerging Cross-Sectional Technologies | 23 | Expired |
| USD577077S1 | Wedge-shaped gaming machine | General | 20 | Expired |
| USD550298S1 | Universal button module | General | 17 | Expired |
| USD550297S1 | Universal button module | General | 16 | Expired |
| US7647692B2 | Method of manufacturing a transformer coil having cooling ducts | Emerging Cross-Sectional Technologies | 16 | Expired |
| USD550302S1 | Universal button module | General | 13 | Expired |
| USD558277S1 | Universal button module | General | 12 | Expired |
| USD543247S1 | Universal button module | General | 11 | Expired |
| US7857698B2 | Multiple primary games for a gaming device | Physics | 9 | Active |
| US4501615A | Anti-corrosive paint | Chemistry; Metallurgy | 8 | Expired |
| USD550305S1 | Universal button module | General | 8 | Expired |
| USD560255S1 | Universal button module | General | 8 | Expired |
| USD550299S1 | Universal button module | General | 8 | Expired |
| USD550303S1 | Universal button module | General | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.