Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807888 | Device for the automatic operation of international metallic silhouette target platforms | John D. Langdon | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807888 | Device for the automatic operation of international metallic silhouette target platforms | John D. Langdon | 1989-02-28 |