Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8829425 | Apparatus and methods for creating a vacuum in a portable mass spectrometer | William Yang, Charlie Zhang, Ming Chai, Yongqiang Qiu | 2014-09-09 |
| 5703358 | Method for generating filtered noise signal and braodband signal having reduced dynamic range for use in mass spectrometry | Paul E. Kelley | 1997-12-30 |
| 5449905 | Method for generating filtered noise signal and broadband signal having reduced dynamic range for use in mass spectrometry | Paul E. Kelley | 1995-09-12 |
| 5256875 | Method for generating filtered noise signal and broadband signal having reduced dynamic range for use in mass spectrometry | Paul E. Kelley | 1993-10-26 |
| 5210522 | Early warning brake light actuated by the accelerator pedal | Robert J. Hoekman | 1993-05-11 |