Douglas Pollard
8Patents
4h-index
17Co-inventors
50Inventor score
Filing activity: Apr 29, 2002 → Dec 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7383099B2 | Apparatus for vending lottery tickets | Physics | 37 | Active |
| US6714838B2 | Dispensing lottery tickets | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7431295B2 | Lottery ticket with play action game | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8517811B2 | Method of playing a lottery game including a group-based second chance game | Physics | 5 | Active |
| US8469789B2 | Game apparatus for combined play including a first play and web site play | Physics | 1 | Active |
| US7681884B2 | Lottery ticket with play action game | Emerging Cross-Sectional Technologies | 1 | Active |
| US11704977B2 | Method and apparatus for dispensing funds in a lottery | Physics | 0 | Active |
| US10657773B2 | Lottery with pre and post allocated results and post sale activation | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.