Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909533 | Apparatus for screeding uncured concrete surfaces | Philip J. Quenzi, Russ E. Stein, Mark A. Pietila, Carl B. Kieranen, Philip D. Halonen | 2011-03-22 |
| 7491011 | Apparatus for screeding uncured concrete | Philip J. Quenzi, Russ E. Stein, Mark A. Pietila, Carl B. Kieranen, Philip D. Halonen | 2009-02-17 |
| 7320558 | Apparatus for screeding uncured concrete surfaces | Philip J. Quenzi, Russ E. Stein, Mark A. Pietila, Carl B. Kieranen, Philip D. Halonen | 2008-01-22 |
| 7121762 | Apparatus for screeding uncured concrete surfaces | Philip J. Quenzi, Russ E. Stein, Mark A. Pietila, Carl B. Kieranen, Philip D. Halonen | 2006-10-17 |
| 5556226 | Automated, laser aligned leveling apparatus | — | 1996-09-17 |