Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306902 | Confocal method and apparatus for focusing in projection lithography | — | 1994-04-26 |
| 5303141 | Model generation system having closed-loop extrusion nozzle positioning | John S. Batchelder, Huntington W. Curtis, Franklin Gracer, Robert R. Jackson, George M. Koppelman +1 more | 1994-04-12 |