Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5831728 | Gas emission spectrometer and method | Mark Leonard Malczewski, Hollis C. Demmin, David Brown | 1998-11-03 |
| 5412467 | Gas emission spectrometer and method | Mark Leonard Malczewski, Hollis C. Demmin, David Brown | 1995-05-02 |