Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11110950 | Two-wheeled vehicle dolly and method of moving same | — | 2021-09-07 |
| 10160468 | Two-wheeled vehicle dolly and method of moving same | — | 2018-12-25 |
| 4234233 | Chain driven cutting bucket for use in deep mining | Donald C. MacGregor | 1980-11-18 |
| 4232904 | Method and apparatus for deep mining using chain driven in fixed direction | — | 1980-11-11 |