Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745999 | Gate valve for high-density slurries, and a valve body assembly, and a solids-containing wall lining means therefor | Bruce Knobbe | 2004-06-08 |
| 5464035 | Gate-type, side-ported, line blind valve | — | 1995-11-07 |