Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5832678 | Seismic portal | Frank Nishiura, Trest Polina, Tim Reed, Dale A. Schmitt | 1998-11-10 |
| 5829216 | Seismic facade support | Trest Polina, Dale A. Schmitt | 1998-11-03 |
| 5357727 | Expansion joint | Glen Duckworth, Bill Heisterberg, Mark Honstra, Trest Polina, Henry J. Gohlke | 1994-10-25 |