Inventor · Providence, RI, US

Clifton Dutton

4Patents
4h-index
7Co-inventors
43Inventor score

Filing activity: Apr 29, 1986 → Jun 1, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US4882473A On-line wagering system with programmable game entry cards and operator security cards Physics 624 Expired
US6761633B2 Game of chance with multiple paths on a virtual scratch ticket Human Necessities 439 Expired
US6514144B2 Online game of chance providing a multi-player extension of a single-player virtual scratch ticket game and a method of playing the game Human Necessities 230 Expired
US4724307A Marked card reader Physics 178 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.