Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D318101 | Roof drain | — | 1991-07-09 |
| D297465 | Combined sheet metal flashing and bitumen membrane strip for one ply roofing system | Robert F. Nally | 1988-08-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D318101 | Roof drain | — | 1991-07-09 |
| D297465 | Combined sheet metal flashing and bitumen membrane strip for one ply roofing system | Robert F. Nally | 1988-08-30 |