Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543367 | Lightweight truck sideframe | Richard B. Polley, Roger D. Boster, II | 2003-04-08 |
| 6354226 | Lightweight truck bolster having varying wall thickness ribs | — | 2002-03-12 |
| 6196134 | Light weight truck bolster | — | 2001-03-06 |
| 5943964 | Light weight draft arm | John R. Downes | 1999-08-31 |