Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221144 | Railroad switch device for moving railroad switch points | Donald Coy Beaman | 2025-02-11 |
| 12104331 | Saborage-resistant switch device for moving railroad switch points | Donald Coy Beaman | 2024-10-01 |
| 12091071 | High-speed railway switch device for moving railroad switch points | Donald Coy Beaman | 2024-09-17 |
| 11780478 | Railroad switch device | — | 2023-10-10 |
| 11530682 | Vertical axis wind turbine air concentration tower with reduced radar cross section | — | 2022-12-20 |
| 11136959 | Air concentration tower for vertical wind turbine | Donald Coy Beaman | 2021-10-05 |
| 10794008 | Electric-hydraulic railway switch device for moving railroad switch points | — | 2020-10-06 |
| 10539115 | Vertical wind turbine | Donald Coy Beaman | 2020-01-21 |