Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247460 | Vortex tube affixed to a turbocharger, supercharger or intake manifold of an engine | Roderick Lee Lindberg | 2001-06-19 |
| 6196004 | Method and apparatus for condensing both water and a plurality of hydrocarbons entrained in a pressurized gas stream | Roderick Lee Lindberg | 2001-03-06 |
| 5755036 | Compass device with light attenuating mask | — | 1998-05-26 |
| 5752322 | Gimballed ouroboros compass device with digital logic | — | 1998-05-19 |
| 5670780 | Device providing real-time orientation and direction of an object | — | 1997-09-23 |
| 5650613 | Encoder for measuring, position, velocity and acceleration of a shaft | — | 1997-07-22 |
| 5548958 | Waste heat recovery system | — | 1996-08-27 |
| 5517430 | Real-time digital orientation device | — | 1996-05-14 |
| 5477470 | Real-time digital orientation device | — | 1995-12-19 |
| 5469630 | Gimballed compass device | — | 1995-11-28 |
| 5448835 | Compass device | — | 1995-09-12 |