Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523316 | Composite shingle having shading zones in different planes | Kermit E. Stahl, George W. Mehrer | 2003-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523316 | Composite shingle having shading zones in different planes | Kermit E. Stahl, George W. Mehrer | 2003-02-25 |