Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638005 | Coaxial wind turbine apparatus having a closeable air inlet opening | Eric G. Holter | 2003-10-28 |
| 5427427 | Auxiliary visor for motor vehicles | — | 1995-06-27 |
| 4883456 | Attitude and pressure responsive valve | — | 1989-11-28 |
| 4621654 | Attitude and pressure responsive valve | — | 1986-11-11 |
| 4300440 | Ventilating hatch assembly | — | 1981-11-17 |