Issued Patents 2005
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969079 | Multiple-passenger transporter | J. Douglas Field, John David Heinzmann | 2005-11-29 |
| 6966182 | Stirling engine thermal system improvements | Thomas Q. Gurski, Christopher C. Langenfeld, Ryan K. LaRocque, Michael G. Norris, Kingston Owens +1 more | 2005-11-22 |
| 6965206 | Method and system for fail-safe motor operation | John B. Morrell, David W. Robinson, Ronald K. Reich, John David Heinzmann, Philip LeMay +3 more | 2005-11-15 |
| 6929080 | Balancing personal vehicle | Douglas Field, Richard Kurt Heinzmann | 2005-08-16 |
| 6920947 | Exercise mode for a personal transporter device | John David Heinzmann, Jason M. Sachs | 2005-07-26 |
| 6915878 | Self-balancing ladder and camera dolly | John David Heinzmann | 2005-07-12 |
| 6862883 | Regenerator for a Stirling engine | Christopher C. Langenfeld, Kingston Owens, Jonathan Strimling | 2005-03-08 |