Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7410270 | Portable bag with lighting system | David M. Grand Pre | 2008-08-12 |
| 7404651 | Renewable energy flashlight | Qian Tianming | 2008-07-29 |
| 7232238 | Renewable energy flashlight | Qian Tianming | 2007-06-19 |