Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8573146 | Self-propelled watercraft | Drew Gregory, Scott Henderson | 2013-11-05 |
| 6491178 | Upper cover plate for an air-tight chamber and a tool for removing the same | Philip Liu, Wentchen Lee, Andrew Cheng | 2002-12-10 |