Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911021 | Air sampling apparatus | — | 1990-03-27 |
| 4754651 | Differential pressure apparatus for measuring flow and velocity | J. Milton Smith, Jr. | 1988-07-05 |
| 4481829 | Manifold apparatus for airflow sensing equipment | — | 1984-11-13 |