Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1092192 | Rooftop support | — | 2025-09-09 |
| 12228230 | Rooftop pipe support | Lisa A. Mulder, Daniel J. Olinger | 2025-02-18 |
| 11549639 | Magnetic roofing apparatus | — | 2023-01-10 |
| RE41586 | Pitch pocket and sealant | Lisa A. Mulder | 2010-08-24 |
| 6101767 | Structural termination system | — | 2000-08-15 |
| 4271115 | Method of producing a pre-wet, dust-free form of asbestos short fibers | — | 1981-06-02 |