Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600928 | Roof vent panel | John C. Hess, Edwin F. Trautman, Jr. | 1997-02-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600928 | Roof vent panel | John C. Hess, Edwin F. Trautman, Jr. | 1997-02-11 |