Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5781316 | Semi-transparent reflective hologram and method of producing same | Guenter H. Strahl | 1998-07-14 |
| 4990087 | Dental tool maintenance apparatus and method | Louis G. De Rocchis, William M. Miller, Bradley J. Robart | 1991-02-05 |