Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305963 | Mobile and stationary protective attendant stations | — | 2025-05-20 |
| 12227975 | System and method for sheltering in place with advanced responder notification and ready access | — | 2025-02-18 |
| 8225908 | Elevator escape system including elevator cab detachable from an interposing device | — | 2012-07-24 |
| 7887898 | Fire resistant materials and methods for production and installation | — | 2011-02-15 |