Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335692 | Valve having rotatable cage | David J. Hobson | 1994-08-09 |
| 4475712 | Fluid valve and method of making same | — | 1984-10-09 |
| 4462568 | Valve construction and method of making the same | Charles W. Taylor | 1984-07-31 |