Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D414279 | Base sheet for roofing assembly | Mira C. Kubiak, Brent L. Grazman, William Davis Lee, William J. Woodring | 1999-09-21 |
| 5890336 | Base sheet for roofing assembly | Mira C. Kubiak, Brent L. Grazman, William Davis Lee, William J. Woodring | 1999-04-06 |