Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8938904 | Universal bore sight | William K. Mellon, Li Daohai | 2015-01-27 |
| 8769859 | Firearm sight mount | Daohai Li, Jonathan Horton | 2014-07-08 |
| 8484880 | Universal bore sight | William K. Mellon, Li Daohai | 2013-07-16 |
| D681767 | Firearm sight mount | Daohai Li, Jonathan Horton | 2013-05-07 |
| 8132354 | Universal bore sight | William K. Mellon, Li Daohai | 2012-03-13 |
| D627030 | Bezel | — | 2010-11-09 |