Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372505 | Methods and systems for sensing headspace vial presence | Jonathan Michael Frentzel, Jared M. Bushey, Paul C. Dryden | 2025-07-29 |
| D1002865 | Headspace sampler | Sammye Elizabeth Traudt, Fanny Hauser, Jonathan Michael Frentzel | 2023-10-24 |
| D822848 | Chromatograph | Gilbert Lemke, Jonathan Michael Frentzel, Rafael Mulero | 2018-07-10 |
| D785198 | Chromatograph | Gilbert Lemke, Jonathan Michael Frentzel, Rafael Mulero | 2017-04-25 |
| D422925 | Chromatograph | Michael GLASER, James W. Baker, Roger A. Brown, Ellen F. Mason, Thomas M. Przybylski +3 more | 2000-04-18 |
| 5439593 | Solid phase extraction apparatus | — | 1995-08-08 |
| 4562703 | Plug tube for NMR magnet cryostat | Russell S. Miller | 1986-01-07 |