Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D749702 | Drain pipe discharge connector | David M. Rohn | 2016-02-16 |
| 8926385 | High efficiency swim fin using multiple high aspect ratio hydrodynamic vanes with pliable hinges and rotation limiters | Ron Smith | 2015-01-06 |
| 7908991 | Air powered signaling system | Scott Johnson, Ian Soutar | 2011-03-22 |
| 7063040 | Portable air horn apparatus | — | 2006-06-20 |