Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452493 | Process control instrument with multiple functions | Xiqing Ma, Prabhaharan Kumarakulasingam, Arthur David Womack, Jr., Mark S. Bartrum | 2002-09-17 |
| 4827095 | Differential pressure switch assembly with high static pressure use characteristics | Stephen S. Clark | 1989-05-02 |