Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369929 | Laminated roofing shingle | Matti Kiik, William J. Schultz, Patrick T. Stapleton | 1994-12-06 |
| D344144 | Laminated shingle | Matti Kiik, William J. Schultz | 1994-02-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369929 | Laminated roofing shingle | Matti Kiik, William J. Schultz, Patrick T. Stapleton | 1994-12-06 |
| D344144 | Laminated shingle | Matti Kiik, William J. Schultz | 1994-02-08 |