Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7928023 | Composite sheet material and process of making | Robson F. Storey, Betty Roberts | 2011-04-19 |
| 7172678 | Process of making composite sheet material | Robson F. Storey, Betty Roberts | 2007-02-06 |
| 4567079 | High-strength built-up roofing using improved ply sheets | William J. Woodring, Mira C. Kubiak | 1986-01-28 |
| 4430158 | Method of improving the wet tensile strength of glass fiber mats | Philip A. Jackey | 1984-02-07 |
| 4242404 | High-strength glass fiber mat particularly useful for roofing products | Alfredo A. Bondoc, B. Randall Ziegler | 1980-12-30 |
| 4233353 | High-strength built-up roofing using improved glass fiber mats | Alfredo A. Bondoc, B. Randall Ziegler | 1980-11-11 |
| 4200487 | Economical method of making high-strength glass fiber mats particularly useful for roofing products | Alfredo A. Bondoc, B. Randall Ziegler | 1980-04-29 |