Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988067 | Electrical box hanger | Clarence E. Propp | 1991-01-29 |
| 4682452 | Hanger assembly | Clarence E. Propp | 1987-07-28 |
| 4659051 | Hanger assembly | Clarence E. Propp | 1987-04-21 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988067 | Electrical box hanger | Clarence E. Propp | 1991-01-29 |
| 4682452 | Hanger assembly | Clarence E. Propp | 1987-07-28 |
| 4659051 | Hanger assembly | Clarence E. Propp | 1987-04-21 |