Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612719 | Diode-laser line-illuminating system | Matthew O. Richardson, Haiyin Sun, Daniel Warren Callen | 2003-09-02 |
| 6478452 | Diode-laser line-illuminating system | Matthew O. Richardson, Haiyin Sun | 2002-11-12 |
| 6072573 | Portable laser power measuring apparatus | Gerald H. Williams, Robert R. Naquin, Charles W. Dennett | 2000-06-06 |
| 5805277 | Portable laser power measuring apparatus | Gerald H. Williams, Robert R. Naquin, Charles W. Dennett | 1998-09-08 |