Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858159 | Frequency-tuneable filter calibration | Vicky A. Hansen, Mark D. Heerema | 1989-08-15 |
| 4768145 | Bus system | William B. Harmon, James W. Coffron | 1988-08-30 |
| 4660150 | Spectrum analyzer with improved data analysis and display features | Gregory A. Anderson, Paul M. Eason, Michael S. Marzalek | 1987-04-21 |
| 4649496 | Spectrum analyzer with improved data analysis and display features | Gregory A. Anderson, Paul M. Eason | 1987-03-10 |
| 4244024 | Spectrum analyzer having enterable offsets and automatic display zoom | Michael S. Marzalek | 1981-01-06 |