Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145262 | Dowel bar sleeve system and method | Russell Boxall, Nigel K. Parkes | 2000-11-14 |
| 5870869 | Yielding tie bar | — | 1999-02-16 |
| 5709824 | Method for forming a roller compacted concrete industrial floor slab | Carl N. Ytterberg | 1998-01-20 |
| 5643509 | Method for forming a roller compacted concrete industrial floor slab | Carl N. Ytterberg | 1997-07-01 |
| 4733513 | Tying bar for concrete joints | Robert F. Oury | 1988-03-29 |