Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10295078 | Valve position translator | William T. Case | 2019-05-21 |
| 10215290 | Plug with attachable upper trunnion | Jacob Layson | 2019-02-26 |
| 9976657 | Double slip seal profile for plug valves | — | 2018-05-22 |
| 8960224 | Valve position translator | William T. Case | 2015-02-24 |
| 4241867 | Slide rule | Madeleine L. Dugas | 1980-12-30 |