Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D259392 | Pneumatic drill | Heino Elmessaar, Stig R. Zernell | 1981-06-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D259392 | Pneumatic drill | Heino Elmessaar, Stig R. Zernell | 1981-06-02 |