Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640820 | Repair of drywall surrounding electrical boxes | — | 1997-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640820 | Repair of drywall surrounding electrical boxes | — | 1997-06-24 |