Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4184581 | Loading apparatus for mines | Richard Crawshay | 1980-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4184581 | Loading apparatus for mines | Richard Crawshay | 1980-01-22 |