Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655677 | Fall arrest system | David Perrin, Matthias Rossen, Brad Frehlich, Douglas Purdy, Dayna Gatin | 2023-05-23 |
| 5660004 | Roofing system for protecting flat roofs or slightly sloped roofs, method of application of said new roofing system and method for reroofing using said new roofing system | Craig Lindsay Blackmon | 1997-08-26 |