Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8913318 | Low profile optical mounting assembly | Byung J. Chang | 2014-12-16 |
| D649571 | Low-profile optical mounting assembly | Byung J. Chang | 2011-11-29 |
| 7791798 | Low-profile optical mounting assembly | Byung J. Chang | 2010-09-07 |
| 6565226 | Magazine-mounted, integral firearm lighting system | — | 2003-05-20 |
| 6493136 | Clip-on optical mounting structure | Byung J. Chang | 2002-12-10 |
| 6439714 | Dipvergence adjusting device for ocular mounting assembly | — | 2002-08-27 |
| 6340228 | Conformable soft nose pads | David Nowak, Byung J. Chang | 2002-01-22 |
| 6333814 | Stable ocular mounting assembly | Byung J. Chang | 2001-12-25 |