Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE50337 | Hydraulic leveraged overhead door assembly | Phillip A. Crown | 2025-03-18 |
| 8714229 | Hydraulic leveraged overhead door assembly | Phillip A. Crown | 2014-05-06 |
| 7814957 | Door assembly | — | 2010-10-19 |