Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9068324 | Bulldozer folding blade | Marvin L. Linder, Katrina L. McClelland, Matthew D. Wagenbach | 2015-06-30 |
| 8038365 | Apparatus and method for improving the control of a concrete screed head assembly | Philip J. Quenzi, Carl B. Kieranen, Frank Edward Anderson, Mark A. Pietela | 2011-10-18 |
| 7850396 | Wheeled screeding device | Mark A. Pietila, Philip D. Halonen, Jason M. Wiitanen | 2010-12-14 |
| 7677834 | Apparatus and method for improving control of a concrete screed head assembly | Philip J. Quenzi, Carl B. Kieranen, Frank Edward Anderson, Mark A. Pietela | 2010-03-16 |
| 7396186 | Apparatus for improving the control of a concrete screed head assembly | Philip J. Quenzi, Carl B. Kieranen, Frank Edward Anderson, Mark A. Pietila | 2008-07-08 |
| 7311466 | Apparatus and method for subgrade preparation | — | 2007-12-25 |
| 7175363 | Apparatus and method for improving the control of a concrete screed head assembly | Philip J. Quenzi, Carl B. Kieranen, Frank Edward Anderson, Mark A. Pietila | 2007-02-13 |
| 7044681 | Apparatus and method for improving the control of a concrete screed head assembly | Philip J. Quenzi, Carl B. Kieranen, Frank Edward Anderson, Mark A. Pietila | 2006-05-16 |
| 6623208 | Concrete placing and screeding apparatus and method | Philip J. Quenzi, Carl B. Kieranen, Charles Hallstrom, Mark A. Pietila | 2003-09-23 |
| 6588976 | Concrete placing and screeding apparatus and method | Philip J. Quenzi, Carl B. Kieranen, Charles Hallstrom, Mark A. Pietila | 2003-07-08 |