Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340108 | Apparatus for projecting and moving a spot of light in a scene projected on a screen and for controlling operation of a stepper motor used therewith | George E. Gerpheide, Donald A. Wilson | 1994-08-23 |