Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7270469 | Apparatus and method for adding pigmentation to concrete mix | Brian D. Lowe, Steven R. Merrill, John C. Eiland | 2007-09-18 |
| 7108418 | Bearing seal assembly for concrete auger mixer and method for using same | David M. Crall, Max W. Gilmore, Gary L. Ruble, Larry G. Lepper | 2006-09-19 |