Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038366 | Wheeled concrete screeding device | Philip D. Halonen, Russ E. Stein, Michael R. Keranen, Carl B. Kieranen | 2011-10-18 |
| 7909533 | Apparatus for screeding uncured concrete surfaces | Philip J. Quenzi, Russ E. Stein, Carl B. Kieranen, Philip D. Halonen, Howard E. Hohmann, Jr. | 2011-03-22 |