Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951934 | Method of making plastic molds | Kenneth L. Opdyke, William J. Appleton, Jeffrey M. Vandewinckel | 1999-09-14 |
| 5620717 | Apparatus for making plastic molds | Kenneth L. Opdyke, William J. Appleton, Jeffrey M. Vandewinckel | 1997-04-15 |
| 5585874 | Color imaging convergence projector | — | 1996-12-17 |
| 5456864 | Method of making plastic molds for molding contact lenses | Kenneth L. Opdyke, William J. Appleton, Jeffrey M. Vandewinckel | 1995-10-10 |