Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D414279 | Base sheet for roofing assembly | Mira C. Kubiak, Harold C. Albo, Jr., Brent L. Grazman, William Davis Lee | 1999-09-21 |
| 5890336 | Base sheet for roofing assembly | Mira C. Kubiak, Harold C. Albo, Jr., Brent L. Grazman, William Davis Lee | 1999-04-06 |
| 5848510 | Base sheet for roofing assembly | Brent L. Grazman | 1998-12-15 |
| 4923712 | Asphaltic flashing stick | Jason Gladfelter, Louis L. Grube, Charles J. Horner, Jr. | 1990-05-08 |
| 4886554 | Solar roofing assembly | Charles J. Horner, Jr. | 1989-12-12 |
| 4567079 | High-strength built-up roofing using improved ply sheets | V. Robert Canfield, Mira C. Kubiak | 1986-01-28 |
| 4287263 | Heat bondable asphaltic sound deadener | James A. Gulino | 1981-09-01 |