Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5927364 | Secure divided window | Bryan P. Zacher, Kelly D. Nordgaard, Ardean R. Albers | 1999-07-27 |
| 5577363 | Structural panel | James R. Tate, Allen E. Lee, Bryan P. Zacher | 1996-11-26 |
| 5161346 | Polymer enclosed door | Allen E. Lee | 1992-11-10 |
| 5077948 | Polymer enclosed door | Allen E. Lee | 1992-01-07 |