Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5467784 | Pressure-regulating ear plug | J. Phil Mobley, Chaoying Zhang, Chris D. Johnson, Drew O'Connell | 1995-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5467784 | Pressure-regulating ear plug | J. Phil Mobley, Chaoying Zhang, Chris D. Johnson, Drew O'Connell | 1995-11-21 |