Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012841 | Pressure reducing and conditioning valves | — | 1991-05-07 |
| 5005605 | Conditioning valve | Roy L. Feiss | 1991-04-09 |
| 5000851 | Turbine filter with pressure seal bonnet | Roy L. Feiss | 1991-03-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012841 | Pressure reducing and conditioning valves | — | 1991-05-07 |
| 5005605 | Conditioning valve | Roy L. Feiss | 1991-04-09 |
| 5000851 | Turbine filter with pressure seal bonnet | Roy L. Feiss | 1991-03-19 |