Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303141 | Model generation system having closed-loop extrusion nozzle positioning | John S. Batchelder, Douglas S. Goodman, Franklin Gracer, Robert R. Jackson, George M. Koppelman +1 more | 1994-04-12 |