Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5569395 | Deep coat faced plate and method | — | 1996-10-29 |
| 5224559 | Hardfaced drilling tool joints | — | 1993-07-06 |
| 4723060 | Feeder equalizer and homogenizer | — | 1988-02-02 |
| 4613741 | Feeder for welds | — | 1986-09-23 |
| 4493963 | Mandrel machine | — | 1985-01-15 |
| 4237362 | Method of producing hardfaced plate | — | 1980-12-02 |