Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8550282 | Security latch device for dumping trash containers and combination thereof | Charles Carter Patterson | 2013-10-08 |
| 7621018 | Road/pavement cleaning machine having air-blast functionality | — | 2009-11-24 |
| 6412203 | Elevatable signboard system for highway vehicles | Leon R. Drake | 2002-07-02 |
| 6371565 | High-lift lateral dump system for pavement/street sweepers | — | 2002-04-16 |
| 6070290 | High maneuverability riding turf sweeper and surface cleaning apparatus | Mark Robert Schwarze, Jim E Adair | 2000-06-06 |
| 6052865 | Air brush vaccum-fan gutter broom | Mark Robert Schwarze | 2000-04-25 |
| 5884359 | Surface cleaning apparatus | — | 1999-03-23 |