Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460641 | Mid-wheel drive wheelchair with front wheel multiple bias suspension and anti-tip assembly | — | 2002-10-08 |
| 4406570 | Materials handling system | L. Scot Duncan, Richard W. Germuska, Robert R. Lasecki, Michael W. Riley | 1983-09-27 |
| 4311329 | Panic-type device having fusible section in push rod to avoid unintentional opening of door in event of fire | — | 1982-01-19 |