Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12336884 | Foam earplug with transdermal material | Mark Magidson, Fred Joseph Ryan | 2025-06-24 |
| 12329612 | Foam earplug with transdermal material | Mark Magidson, Fred Joseph Ryan | 2025-06-17 |
| 12310821 | Foam earplug with transdermal material | Mark Magidson, Fred Joseph Ryan | 2025-05-27 |