Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662404 | High load bearing central-braking caster | Glenn C. Stroh | 2003-12-16 |
| 5594963 | Pressure relief air mattress and related system | — | 1997-01-21 |
| 4789335 | Method and apparatus for use in endodontic treatment | Paul Geller | 1988-12-06 |