Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10827787 | Maintenance-free respirator that has concave portions on opposing sides of mask top section | John M. Facer, Christopher P. Henderson, Desmond T. Curran | 2020-11-10 |
PL
Peter S. Leonard
Overall (2020): #317,212 of 565,922Top 60%
1
Patents 2020