Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8182116 | Lighting fixture with recessed baffle trim unit | Kanghong Zhang | 2012-05-22 |
| 8177176 | Hanger bar for recessed lighting fixtures | Huan C. Nguyen, Dwight David Santiago | 2012-05-15 |
| 8138418 | Electrical junction box | Dwight David Santiago, Huan C. Nguyen | 2012-03-20 |
| D624691 | Recessed baffle trim | Kanghong Zhang | 2010-09-28 |
| D595452 | Recessed baffle trim | Kanghong Khang | 2009-06-30 |
| D512141 | Earplug | Bernard Mishkin | 2005-11-29 |
| D464469 | Headband with yoke | Terry L. Grimsley, Norman John Smith, Stephen E. Young, Mark Magidson | 2002-10-15 |
| D463857 | Headband | Terry L. Grimsley, Mark Magidson | 2002-10-01 |
| D459034 | Ear muff with side mount | Terry L. Grimsley, Mark Magidson | 2002-06-18 |
| D459033 | Earmuff with front mount | Terry L. Grimsley, Mark Magidson | 2002-06-18 |
| D427304 | Earplug | Mark Magidson | 2000-06-27 |
| 5957136 | Earplug | Mark Magidson | 1999-09-28 |
| D403062 | Headband for ear protection | — | 1998-12-22 |
| 5749373 | Headband with break-away cord attachment | — | 1998-05-12 |