Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659530 | Method of taking an impression with an internal bore impression tool | John W. Finlayson | 1987-04-21 |
| 4616987 | Internal bore impression tool | John W. Finlayson | 1986-10-14 |