Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D623491 | Torque wrench | — | 2010-09-14 |
| D575604 | Torque wrench with display | — | 2008-08-26 |
| 4967468 | Apparatus for fixing boiler tubes during replacement of same | David A. Vossbrinck | 1990-11-06 |
| 4831702 | Method for fixing boiler tubes during replacement of same | David A. Vossbrinck | 1989-05-23 |