Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375491 | Roofing shingle | Marcia G. Hannah, Michael J. Noone, Kermit E. Stahl, Joseph Quaranta | 1994-12-27 |
| 5287669 | Roofing shingle | Marcia G. Hannah, Michael J. Noone, Kermit E. Stahl, Joseph Quaranta | 1994-02-22 |