Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703327 | Electrical boxes | — | 1997-12-30 |
| 5680947 | Foldable electrical box | — | 1997-10-28 |
| 5678799 | Adjustable hanger assembly | Richard D. Swanson | 1997-10-21 |
| 5619013 | Gangable electrical box | — | 1997-04-08 |