Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D776257 | Personal respiratory protection device | Yonas Gebrewold | 2017-01-10 |
| D679402 | Medical dressing | Deena M. Conrad-Vlasak, Steven B. Heinecke, Joseph P. Hensler, Richard L. Jacobson | 2013-04-02 |
| D646380 | Grey respiratory mask having black lines of demarcation | Yonas Gebrewold | 2011-10-04 |
| 7444687 | Hearing protective device that includes cellular earmuffs | Luciana M. Sato, Glaucia C. Gabas, Thomas I. Insley | 2008-11-04 |
| 6484726 | Articulating earplug | Paul A. Martinson | 2002-11-26 |
| D445893 | Earplug | Paul A. Martinson | 2001-07-31 |
| D445894 | Earplug | Paul A. Martinson | 2001-07-31 |