Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369929 | Laminated roofing shingle | Casimir Paul Weaver, William J. Schultz, Patrick T. Stapleton | 1994-12-06 |
| 5305569 | Thick shingle | Alfred B. Malmquist | 1994-04-26 |
| D344144 | Laminated shingle | Casimir Paul Weaver, William J. Schultz | 1994-02-08 |