Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8359679 | Toilet clog removal and cleaning system | — | 2013-01-29 |
| 6411922 | Problem modeling in resource optimization | Douglas Patrick Clark | 2002-06-25 |
| 6188518 | Method and apparatus for use in producing three-dimensional imagery | — | 2001-02-13 |
| 5678910 | Multiple angle projection for 3-D imagery | — | 1997-10-21 |
| 5589979 | Simulator arrangement | — | 1996-12-31 |
| 5265363 | Multifunction mechanical display system | — | 1993-11-30 |
| 5264679 | Alternating current welding apparatus | — | 1993-11-23 |
| 5080481 | Screen simulator window | Keith W. Kanaar, Robert MacDonald | 1992-01-14 |
| 5016763 | Printed material organizer | — | 1991-05-21 |
| 4973821 | Control unit for welding apparatus having offset and tracking control features | — | 1990-11-27 |
| 4885453 | Brake for welding machine | — | 1989-12-05 |
| 4588222 | Rocket extraction device | — | 1986-05-13 |