Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927017 | Roofing system and method | Frederick W. Whitridge, Jr., Philip C. Prehoda, Charles Ward | 2024-03-12 |
| 11578494 | Roofing system and method | Frederick W. Whitridge, Jr., Philip C. Prehoda | 2023-02-14 |
| 10829937 | Roofing system and method | Frederick W. Whitridge, Jr., Phil C. Prehoda | 2020-11-10 |