Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7996934 | Apparatus for transferring a person from a wheelchair to a fixed seat | — | 2011-08-16 |
| 5711594 | Tubular EL lamp | — | 1998-01-27 |
| 5697322 | Analog display having electroluminescent pointer | Douglas B. Olson, Stephen F. Hamann, William C. Sherbrooke | 1997-12-16 |