Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10072607 | Annular venturi burner for stirling engine | Christopher C. Langenfeld, Michael S. Place, Prashant Bhat, Michael G. Norris, Andrew A. Schnellinger | 2018-09-11 |
| 7900725 | Vehicle control by pitch modulation | John David Heinzmann, David W. Robinson, Jon M. Stevens, J. Douglas Field | 2011-03-08 |
| 7779939 | Guided control of a transporter | Dean Kamen, Burl W. Amsbury, J. Douglas Field, Christopher C. Langenfeld, John B. Morrell +2 more | 2010-08-24 |
| 7757794 | Vehicle control by pitch modulation | John David Heinzmann, David W. Robinson, Jon M. Stevens, J. Douglas Field | 2010-07-20 |
| 7546889 | Guided control of a transporter | Dean Kamen, Burl W. Amsbury, J. Douglas Field, Christopher C. Langenfeld, John B. Morrell +2 more | 2009-06-16 |