Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976805 | Light weight apparatus for screeding and vibrating uncured concrete surfaces | Philip J. Quenzi, Russ E. Stein, Mark A. Pietila, Carl B. Kieranen | 2005-12-20 |
| 6953304 | Lightweight apparatus for screeding and vibrating uncured concrete surfaces | Philip J. Quenzi, Russ E. Stein, Mark A. Pietila, Carl B. Kieranen | 2005-10-11 |