Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520378 | Chain driven conveyor having automatic tensioning street sweeping method and system | Karl Hansen | 2009-04-21 |
| 6959466 | Power management system for street sweeper | Musibau Alowonle, Robert Erko, Richard Milun | 2005-11-01 |
| 5277722 | Manually fed machine for the formation of tabs on sheet stock | Gerd Hochrain | 1994-01-11 |