Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6123387 | Chair with keyboard and mouse platforms | — | 2000-09-26 |
| 5407419 | Enclosure with integral tie member | Robert S. Jenkins | 1995-04-18 |
| 5360076 | Dual metal face seal with single recessed energizer | Michael F. Welsh | 1994-11-01 |
| 5342286 | Waterproof covering | Robert S. Jenkins | 1994-08-30 |
| D307616 | Ball game goal | — | 1990-05-01 |
| 4753304 | Volume and pressure balanced rigid face seal for rock bits | — | 1988-06-28 |
| 4749048 | Ripper attachment for skid steer loaders | — | 1988-06-07 |
| 4698631 | Surface acoustic wave pipe identification system | Mig A. Howard, Paul A. Nysen, Colin A. Hacking | 1987-10-06 |
| 4574895 | Solid head bit with tungsten carbide central core | George E. Dolezal | 1986-03-11 |
| 4515228 | Air groove scraper | George E. Dolezal | 1985-05-07 |
| 4293039 | Non-rotating stabilizer for drill string | John Matthew Mullins | 1981-10-06 |