Issued Patents 2005
Showing 1–3 of 3 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, Philip D. Halonen | 2005-12-20 |
| 6953304 | Lightweight apparatus for screeding and vibrating uncured concrete surfaces | Philip J. Quenzi, Russ E. Stein, Mark A. Pietila, Philip D. Halonen | 2005-10-11 |
| 6929420 | Apparatus and method for three-dimensional contouring | Charles Hallstrom, Glen Raymond Simula, Nils P. Ruonavaara, James D. Waineo | 2005-08-16 |