Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154153 | Fuel treatment device | — | 1992-10-13 |
| 5148877 | Apparatus for lateral drain hole drilling in oil and gas wells | — | 1992-09-22 |
| 5067340 | Precision press brake | — | 1991-11-26 |
| 4234233 | Chain driven cutting bucket for use in deep mining | Robert Hurd | 1980-11-18 |