Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655469 | Turf comber | — | 2003-12-02 |
| 6464436 | Greensmower trailer | — | 2002-10-15 |
| 6457402 | Automated fresh air exchanger for mobile container | Jan M. Parker | 2002-10-01 |
| 6443056 | Remote fan pods for side-to-side airflow on a refrigerated container | David D. Kiefer, David R. Carey | 2002-09-03 |
| 6206439 | Protective bumper for a transport refrigeration unit | David D. Kiefer, Douglas Moore | 2001-03-27 |
| 6042162 | Protective bumper for a transport refrigeration unit | David D. Kiefer | 2000-03-28 |
| 5833013 | Grass brush vehicle | — | 1998-11-10 |