Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9017343 | Biological unit removal tools with movable retention member | Michael J. Drews, Timothy J. Kirkley | 2015-04-28 |
| 8696686 | Biological unit removal tools with movable retention member | Michael J. Drews | 2014-04-15 |
| 8226664 | Biological unit removal tools with movable retention member | Michael J. Drews, Timothy J. Kirkley | 2012-07-24 |