Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345630 | Method of making rabbeted shingle butt joint sidewall panel | Joe L. Bockwinkel | 1982-08-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345630 | Method of making rabbeted shingle butt joint sidewall panel | Joe L. Bockwinkel | 1982-08-24 |