Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468903 | Building panel | Erland D. Narhi | 1984-09-04 |
| 4468909 | Building panel | — | 1984-09-04 |
| 4464872 | Building panel | — | 1984-08-14 |
| 4422266 | Building panel | Donald H. Slocum | 1983-12-27 |