Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8955469 | Cylindrical hydrogen fuel generator having passive tubular cells | John D. Dupree, Richard Ortenheim | 2015-02-17 |
| 8714115 | Cylindrical hydrogen fuel generator having passive tubular cells | John D. Dupree, Richard Ortenheim | 2014-05-06 |
| D393221 | Measuring tape for a left handed tape measure | — | 1998-04-07 |