Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079723 | Adjustable lens with self-illuminated scale | Alan Coleman, Nigel Antony Ayres | 2011-12-20 |
| 5220749 | Grinding apparatus | David H. Youden, Daniel L. Denery, Jyrkl T. Liedes | 1993-06-22 |