Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038365 | Apparatus and method for improving the control of a concrete screed head assembly | Philip J. Quenzi, Carl B. Kieranen, Frank Edward Anderson, Jeffrey Torvinen | 2011-10-18 |
| 7677834 | Apparatus and method for improving control of a concrete screed head assembly | Philip J. Quenzi, Carl B. Kieranen, Frank Edward Anderson, Jeffrey Torvinen | 2010-03-16 |