| 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 |
