Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667820 | Apparatus for making a solid three-dimensional article from a liquid medium | Timmy B. Heller, Ray M. Hill, Michael R. Greenhalgh | 1997-09-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667820 | Apparatus for making a solid three-dimensional article from a liquid medium | Timmy B. Heller, Ray M. Hill, Michael R. Greenhalgh | 1997-09-16 |