Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379250 | Simulated ball movement game using a trackball with an air bearing | J. Walt Adamczyk, Donald L. Updyke, Jr. | 2002-04-30 |
| 6168531 | Soup bowl attraction | Donald L. Updyke, Jr. | 2001-01-02 |
| D398339 | Toy robot | Benjamin W. Tripp | 1998-09-15 |
| 5708527 | Video gateway having movable screens | Gordon E. Liljegren, Michael Peterson, Christopher B. Smith, David Spencer, Donald L. Updyke, Jr. +1 more | 1998-01-13 |
| 5671091 | Virtual easel | Marshall M. Monroe, Eric C. Haseltine | 1997-09-23 |
| 5415152 | Method of launching multiple fireworks projectiles | Donald L. Updyke, Jr. | 1995-05-16 |
| 5368228 | Method and apparatus for forming a fluid projection screen | Lance Duane Updyke, John W. Sogge | 1994-11-29 |
| 5339741 | Precision fireworks display system having a decreased environmental impact | B. Thomas Craven, William G. Wiedefeld, Kyle W. Poor, Bruce S. Johnson, John W. Sogge +2 more | 1994-08-23 |
| 5282455 | Launcher for launching multiple fireworks projectiles | Donald L. Updyke, Jr. | 1994-02-01 |
| 5159362 | Dimensional transformation system and related method of creating visual effects | Marshall M. Monroe | 1992-10-27 |