Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834535 | Method of measuring atomic spectra compensating for atomic absorption by frequency modulation and using the doppler effect | — | 1989-05-30 |
| 4804271 | Process for the improvement of selectivity of spectrometric measurements and an apparatus for the performance of the process | — | 1989-02-14 |