Lawrence E. DeMar
38Patents
26h-index
30Co-inventors
85Inventor score
Filing activity: Jul 11, 1986 → Oct 16, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6203429A | Gaming machine with bonus mode | Human Necessities | 880 | Expired |
| US6234897A | Gaming device with variable bonus payout feature | Human Necessities | 725 | Expired |
| US6315660A | Gaming machines with board game theme | Human Necessities | 713 | Expired |
| US7294058B1 | Computerized game with cascading strategy and full information | Physics | 451 | Expired |
| US6612927B1 | Multi-stage multi-bet game, gaming device and method | Physics | 383 | Expired |
| US8187068B2 | System and method of an interactive multiple participant game | Physics | 338 | Active |
| US5257179A | Audit and pricing system for coin-operated games | Physics | 267 | Expired |
| US6482089B2 | Gaming machines with board game theme | Human Necessities | 223 | Expired |
| US6508707B2 | Gaming machines with board game theme, apparatus and method | Human Necessities | 222 | Expired |
| US6506117B2 | Gaming machines with board game theme | Human Necessities | 213 | Expired |
| US7144322B2 | Chain reaction game | Physics | 191 | Expired |
| US6520855B2 | Gaming machines with board game theme | Human Necessities | 157 | Expired |
| US5123647A | Interactive playfield feature for pinball games | Human Necessities | 144 | Expired |
| US6129353A | Method of displaying video images projected from a video display of a pinball machine | Human Necessities | 126 | Expired |
| US5091677A | Lighting control system for pinball games | Emerging Cross-Sectional Technologies | 119 | Expired |
| US5297793A | Automatic flipper control circuit for pinball games | Human Necessities | 119 | Expired |
| US5494286A | Ball advancing device for a pinball game | Human Necessities | 114 | Expired |
| US6926607B2 | Multi-stage multi-bet game, gaming device and method | Physics | 102 | Expired |
| US5533727A | Audit and pricing system for coin-operated games | Physics | 98 | Expired |
| US7018293B2 | Game and gaming machine with operative theme having element linking logic organization | Physics | 97 | Expired |
| US6793575B2 | Racing game | Physics | 74 | Expired |
| US4840375A | Pinball machine | Human Necessities | 61 | Expired |
| US4685677A | Automatic replay control system and method for amusement devices | Human Necessities | 46 | Expired |
| US7195560B2 | Gaming machines with board game theme | Human Necessities | 36 | Expired |
| US5101354A | Multi-lane bowling system with remote operator control | Physics | 33 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.