Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858476 | Breathing zone air sampler | — | 1989-08-22 |
| 4263063 | Process for stabilizing dimensions of duplex stainless steels for service at elevated temperatures | Frederick C. Hull | 1981-04-21 |