Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375491 | Roofing shingle | Marcia G. Hannah, George W. Mehrer, Kermit E. Stahl, Joseph Quaranta | 1994-12-27 |
| 5347785 | Two element shingle | Louis A. Terrenzio | 1994-09-20 |
| D350615 | Design for a roof or siding shingle | John Klein, Kermit E. Stahl | 1994-09-13 |
| 5287669 | Roofing shingle | Marcia G. Hannah, George W. Mehrer, Kermit E. Stahl, Joseph Quaranta | 1994-02-22 |