Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8950449 | Flitch surfacing apparatus | Arlington D. Ruff, Mark J. Zirnheld, Michael Smith | 2015-02-10 |
| 7871070 | Material handling apparatus | Arlington D. Ruff, Jurgen Trost | 2011-01-18 |
| 7673743 | Material handling apparatus | Arlington D. Ruff, Jurgen Trost | 2010-03-09 |