Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5056568 | Automated system for adding multiple fluids to a single container | Aleandro DiGianfilippo, James R. Hitchcock, Robert E. Lewis, Randall A. Zielsdorf, James P. Vos +3 more | 1991-10-15 |
| 4967811 | Automated system for adding multiple fluids to a single container | Aleandro DiGianfilippo, James R. Hitchcock, Robert E. Lewis, Randall A. Zielsdorf, James P. Vos +3 more | 1990-11-06 |
| 4789014 | Automated system for adding multiple fluids to a single container | Aleandro DiGianfilippo, James R. Hitchcock, Robert E. Lewis, Randall A. Zielsdorf, James P. Vos +3 more | 1988-12-06 |
| 4440478 | Slide tray position sensing arrangement for slide projector apparatus utilizing two slide tray types | Nicholas Mischenko, Robert R. Parker | 1984-04-03 |
| 4432618 | Tray drive and slide change control apparatus for slide projector | Robert R. Parker | 1984-02-21 |
| 4422026 | Servo control arrangement utilizing alternately energized light sources and a single photodetector | — | 1983-12-20 |