Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8723346 | Portable integrated power supply and HVAC unit | Keith Hamm, James L. Roberts | 2014-05-13 |
| 8593002 | Portable integrated power supply and HVAC unit | Keith Hamm, James L. Roberts | 2013-11-26 |
| 8172438 | Low-profile collapsible lighting system | — | 2012-05-08 |
| 7642665 | Portable generator housing | Daniel J. Petrazak | 2010-01-05 |
| D573092 | Portable generator | Keith Hamm | 2008-07-15 |
| 6478317 | Swing-frame assembly for tag axle | — | 2002-11-12 |
| 6371499 | Latch assembly arrangement for tag axle | — | 2002-04-16 |
| 6247713 | Axle attachment arrangement for tag axle | — | 2001-06-19 |
| 5501567 | Refuse vehicles | Daniel J. Lanzdorf, Thomas H. Betters, Eric E. Braun, James L. Steiner | 1996-03-26 |