Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D657499 | Earplug | John W. Parkins, David G. Parkins, David L. Fergot | 2012-04-10 |
| D655273 | Earcup for a headset | John W. Parkins, David G. Parkins, David L. Fergot | 2012-03-06 |