Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145193 | Axially separating drill bucket | Richard W. Watson | 2018-12-04 |
| 4653974 | System for transporting and erecting very large and heavy construction equipment | — | 1987-03-31 |
| 4214639 | Suspended drilling system | — | 1980-07-29 |