Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755204 | Multi-way valve employing two-state operator | Kay Herbert, Natan E. Parsons | 2004-06-29 |
| 6752371 | Valve actuator having small isolated plunger | Kay Herbert, Natan E. Parsons | 2004-06-22 |