| D683906 |
Welding auto-darkening filter |
Alice Susan Gordon, Kristy Jo Giebe, Russell J. Kroll, Mark A. Kruse, Benjamin D. Stephens +2 more |
2013-06-04 |
| D683502 |
Welding auto-darkening filter |
Alice Susan Gordon, Kristy Jo Giebe, Russell J. Kroll, Mark A. Kruse, Benjamin D. Stephens +2 more |
2013-05-28 |
| D678619 |
Welding auto-darkening filter assembly |
Alice Susan Gordon, Kristy Jo Giebe, Russell J. Kroll, Mark A. Kruse, Benjamin D. Stephens +2 more |
2013-03-19 |
| 8398234 |
Electro-thermal antifog optical devices |
Pingshan Wang, Brij P. Singh, Aladin B. Ferian, III, Timothy H. Morgan, Debra N. Welchel |
2013-03-19 |
| 7771043 |
Eyewear with enhanced air flow and/or absorption features |
Debra N. Welchel, Megan Christine Hansen Smith, Andrew Joseph Beltz, Russell J. Kroll, Philip D. Palermo +2 more |
2010-08-10 |
| 7651217 |
Eyewear with enhanced fit |
Debra N. Welchel, Ming Xie, Megan Christine Hansen Smith, Herb F. Velazquez, Lourdes Lizzette Sheffield +5 more |
2010-01-26 |
| 7648234 |
Eyewear with heating elements |
Debra N. Welchel, Megan Christine Hansen Smith, Herb F. Velazquez, Russell J. Kroll, Philip D. Palermo |
2010-01-19 |
| 7488068 |
Eyewear with mask attachment features |
Debra N. Welchel, Ming Xie, Megan Christine Hansen Smith, Herb F. Velazquez, Andrew Joseph Beltz +4 more |
2009-02-10 |