Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D753884 | Hearing protector | Brenda M. Bonney, Nicolas A. Echeverri, Douglas D. Fletcher, Oscar Hemberg | 2016-04-12 |
| D747557 | Hearing protector | Brenda M. Bonney, Nicolas A. Echeverri, Douglas D. Fletcher, Oscar Hemberg | 2016-01-12 |
| D736475 | Hearing protector | Douglas D. Fletcher, Brenda M. Bonney, Sean C. McGreevy, Oscar Hemberg | 2015-08-11 |