Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384530 | Vault for active shooters and tornadoes | James C. Brown, Jeffery L. Carson, John M. Evans | 2022-07-12 |
| 10738459 | Vault for active shooters and tornadoes | James C. Brown, Jeffery L. Carson, John M. Evans | 2020-08-11 |
| D864418 | Vault for active shooters and tornadoes | James C. Brown, Jeffery L. Carson, John M. Evans | 2019-10-22 |