Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7722243 | Automatic drum rotation control concrete transit mixer truck | Alexander Krasny, Heinz Ulrich Worthmann, Robert Benjamin Durand, Carl Phillip Quist | 2010-05-25 |
| 6719118 | Fold-over chute safety device | Thomas E. Eull | 2004-04-13 |