Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4372403 | Eccentric rotary bit | — | 1983-02-08 |
| 4235566 | Pipe-conveying catwalk | Harold D. Beeman | 1980-11-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4372403 | Eccentric rotary bit | — | 1983-02-08 |
| 4235566 | Pipe-conveying catwalk | Harold D. Beeman | 1980-11-25 |