Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369929 | Laminated roofing shingle | Casimir Paul Weaver, Matti Kiik, William J. Schultz | 1994-12-06 |
| D347900 | Laminated shingle | — | 1994-06-14 |
PS
Patrick T. Stapleton
Elk Corporation Of Dallas: 1 patents #4 of 5Top 80%
Overall (1994): #23,149 of 165,921Top 15%
2
Patents 1994