Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860518 | Fixture and method of laying shingles on the surface of a roof or vertical wall | — | 1989-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860518 | Fixture and method of laying shingles on the surface of a roof or vertical wall | — | 1989-08-29 |