Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633021 | Apparatus for making a three-dimensional article | Charles F. Kirschman | 1997-05-27 |
| 5595324 | Dual dispenser, supply unit, and method | Douglas S. Brown, David F. Scherger, George C. Heilman | 1997-01-21 |