Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5955886 | Microliter-sized ionization device and method | Robert M. Simac, Roger F. Wernlund | 1999-09-21 |
| 5457316 | Method and apparatus for the detection and identification of trace gases | Robert Stimac, Roger F. Wernlund | 1995-10-10 |
| 5162652 | Method and apparatus for rapid detection of contraband and toxic materials by trace vapor detection using ion mobility spectrometry | Roger F. Wernlund, Robert Stimac | 1992-11-10 |
| 4195513 | Methods of monitoring the presence or movements of humans | — | 1980-04-01 |