Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5533727 | Audit and pricing system for coin-operated games | — | 1996-07-09 |
| 5494286 | Ball advancing device for a pinball game | Edward A. Estes, Brian Eddy, Patrick Lawlor | 1996-02-27 |
| 5446894 | Method for varying multi-tasking time slice to maintain system frame operating time close to desired time upon video frame refresh time | Paul G. Dussault | 1995-08-29 |
| 5375829 | Magnetic ball flipper for a rolling ball game | Patrick Lawlor, Ted Estes | 1994-12-27 |
| 5297793 | Automatic flipper control circuit for pinball games | Patrick Lawlor | 1994-03-29 |
| 5257179 | Audit and pricing system for coin-operated games | — | 1993-10-26 |
| 5255185 | Bowling center video display system | David L. Mowers, Santo A. Lamantia, David J. Mueller, Bruce N. Alleshouse, Victor S. Barczyk +3 more | 1993-10-19 |
| 5123647 | Interactive playfield feature for pinball games | Patrick Lawlor, John R. Krutsch | 1992-06-23 |
| 5101354 | Multi-lane bowling system with remote operator control | David L. Mowers, Santo A. Lamantia, David J. Mueller, Bruce N. Alleshouse, Victor S. Barczyk +3 more | 1992-03-31 |
| 5091677 | Lighting control system for pinball games | Charles R. Bleich, Mark J. Coldebella | 1992-02-25 |
| 4840375 | Pinball machine | Patrick Lawlor | 1989-06-20 |
| 4763256 | System to detect and bypass inoperative game features in an amusement device | — | 1988-08-09 |
| 4685677 | Automatic replay control system and method for amusement devices | Steven Ritchie | 1987-08-11 |