Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12228501 | System and method for simultaneous high-sensitivity measurement of methane and ethane via laser absorption spectroscopy in an open-air configuration | Michael B. Frish, Shin-Juh Chen, Richard T. Wainner | 2025-02-18 |
| 11293862 | Multiple contaminants natural gas analyser | David D. Haydt, Michael B. Frish, Shin-Juh Chen | 2022-04-05 |