Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7594278 | Multi-function face protector | — | 2009-09-29 |
| 7564014 | Apparatus for detecting welding light and protecting eyes from glare and method for controlling the same | — | 2009-07-21 |
| D594600 | Welding mask | — | 2009-06-16 |
| D586956 | Welding mask | — | 2009-02-17 |
| 7470880 | Apparatus for detecting electromagnetic wave and protecting eyes from glare | — | 2008-12-30 |
| 7462806 | Dazzle prevention device having electro magnetic wave detection function and detection mode selection | — | 2008-12-09 |
| 7409723 | Multifunctional protection rack for safety helmet | — | 2008-08-12 |
| D563603 | Face shield for safety helmet | Nae Goog Kang, Chi Kyo Jung, Jae Sik Yoo | 2008-03-04 |
| 7308719 | Front surface opened welding mask | — | 2007-12-18 |
| 7284281 | Welding helmet having cartridge coupling structure | — | 2007-10-23 |
| D553802 | Welding mask | — | 2007-10-23 |
| D551961 | Rotary shaft nut of a welding mask | — | 2007-10-02 |
| D540989 | Welding mask | — | 2007-04-17 |
| D540990 | Welding mask | — | 2007-04-17 |
| D539485 | Mask for protecting a face | — | 2007-03-27 |
| D530864 | Welding mask | — | 2006-10-24 |
| D527849 | Welding mask | — | 2006-09-05 |
| 6973672 | Welding helmet removable cartridge | — | 2005-12-13 |
| 6966074 | Cushion pad structure for headband | — | 2005-11-22 |
| D482502 | Welding mask | — | 2003-11-18 |
| D482503 | Welding mask | — | 2003-11-18 |
| D481832 | Welding mask | — | 2003-11-04 |
| D478111 | Protective goggle | — | 2003-08-05 |
| D394732 | Welding mask | — | 1998-05-26 |
| D393933 | Welding mask | — | 1998-04-28 |