Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6196840 | Custom fitting variable dimension dental impression tray, product and method | Ronald R. Zentz, Andrew Lichkus | 2001-03-06 |
| 5393798 | Hydrogel material and method of preparation | — | 1995-02-28 |
| 5330249 | Cushion for absorbing shock, damping vibration and distributing pressure | Edmund R. Burke | 1994-07-19 |
| 5319867 | Electrically conductive shoe insole | — | 1994-06-14 |