Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6925655 | Protective helmet with selectively covered aperture | Richard R. Maki, Robert E. Mekash | 2005-08-09 |
| 6904616 | Positive pressure protective helmet | Richard R. Maki, Robert E. Mekash | 2005-06-14 |