Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6155258 | Oxygen delivery system | — | 2000-12-05 |
| 5485983 | Seal apparatus for a flow control valve | James A. Voege, Richard B. Voege | 1996-01-23 |
| 5016673 | Flow selector device | William Carter, David A. Meadows, Jay L. Hayes | 1991-05-21 |