Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948256 | Large bore gun cleaning apparatus with expanding disc mandrels | John Lawrence McDonald | 2021-03-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948256 | Large bore gun cleaning apparatus with expanding disc mandrels | John Lawrence McDonald | 2021-03-16 |