Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D277513 | Medical face mask | David Parsons, Paul D. O'Reilly | 1985-02-05 |
| 4340085 | Pressure regulating device with damping means for preventing valve chatter | Alan W. Kent | 1982-07-20 |