Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311276 | Pinball machine with retrofittable accessory | — | 2025-05-27 |
| D1076931 | Display screen with graphical user interface | — | 2025-05-27 |
| D1001895 | Playfield arch for a pinball machine | — | 2023-10-17 |
| D1001896 | Playfield arch for a pinball machine | — | 2023-10-17 |
| 11458384 | Networked pinball machine | Mark C. Guidarelli | 2022-10-04 |
| 11020652 | User modifiable pinball machine | Gary Stern | 2021-06-01 |
| 10729972 | Ball launching guide assembly for an amusement game device | — | 2020-08-04 |
| 10463950 | User modifiable pinball machine | Gary Stern | 2019-11-05 |
| 9814966 | Rollover switch for an amusement game device | Thomas M. Kopera | 2017-11-14 |
| 9561430 | Rollover switch for an amusement game device | Thomas M. Kopera | 2017-02-07 |
| 9561429 | Electromagnet for an amusement game device | Michael Redoble, John Rotharmel | 2017-02-07 |
| 6475083 | Unlocking secrets of video games | Thomas F. Ketola | 2002-11-05 |
| 6155565 | Method and kit retrofitting a pinball machine | Charles R. Bleich, Bradley D. Cornell, Andrew Eloff, Bradley A. Hume, John R. Krutsch +2 more | 2000-12-05 |
| 6120021 | Lock-down bar release system for a pinball machine | Peter J. Piotrowski, John R. Krutsch, James A. Patla, Charles R. Bleich | 2000-09-19 |
| 6036188 | Amusement game with pinball type playfield and virtual video images | Patrick Lawlor, Thomas W. Uban | 2000-03-14 |
| 6036189 | Game with viewing panel having variable optical characteristics for producing virtual images | Patrick Lawlor, Thomas W. Uban | 2000-03-14 |
| 5890715 | Linkable pinball machine | Thomas W. Uban, Thomas M. Kopera | 1999-04-06 |
| 5806851 | Interactive play for a pinball game | Thomas M. Kopera, Thomas W. Uban | 1998-09-15 |
| 5640424 | Direct downconverter circuit for demodulator in digital data transmission system | Noi Banavong, Long Q. Nguyen, Dan Tu | 1997-06-17 |
| 5074552 | Basketball-type amusement device | Thomas M. Kopera, John C. Kubik | 1991-12-24 |
| 5071127 | Coin bowling game | Lauren Bromley | 1991-12-10 |