Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673521 | Rolled roof vent and method of making same | Geoffrey N. Ehrman, William F. Horvath, Kenneth L. Laubsch, Joseph DeMeo | 1997-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673521 | Rolled roof vent and method of making same | Geoffrey N. Ehrman, William F. Horvath, Kenneth L. Laubsch, Joseph DeMeo | 1997-10-07 |