Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862972 | Single-blow pneumatic percussive tool | Andrei A. Zelentsov | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862972 | Single-blow pneumatic percussive tool | Andrei A. Zelentsov | 1989-09-05 |