Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5211249 | Apparatus and method for obtaining subterranean samples | David Richter, Michael C. Kasl, Joel F. Wilson | 1993-05-18 |
| 4193622 | Apparatus for inserting and removing contact lenses | — | 1980-03-18 |