Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4991611 | Lower spray arm for dishwasher | Wilbur W. Jarvis, John I. Smith, Kirk A. Gutmann, Lane S. Duncan, Richard D. Taylor | 1991-02-12 |
| 4406570 | Materials handling system | L. Scot Duncan, Stephen L. Kral, Robert R. Lasecki, Michael W. Riley | 1983-09-27 |