Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314730 | Mineral mining machine with high pressure fluid nozzle and intensifier | Norman A. Plumpton | 1982-02-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314730 | Mineral mining machine with high pressure fluid nozzle and intensifier | Norman A. Plumpton | 1982-02-09 |