Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4416736 | Procedure for the enrichment of the element of interest from a solution for nonflame atomic absorption spectroscopy | — | 1983-11-22 |
| 4406541 | Assembly useful with an atomic spectrometer | Toma Tomoff, Rolf Tamm, Alan Walsh | 1983-09-27 |
| 4404288 | Method and apparatus for concentrating a vapor of a mercury sample solution | — | 1983-09-13 |
| 4350718 | Method of fabricating graphite tube | — | 1982-09-21 |
| 4309156 | Fluid activated pump having variable discharge | Winfried Gonner | 1982-01-05 |
| 4295854 | Apparatus and methods for sample enrichment for flameless atomic absorption spectroscopy | — | 1981-10-20 |
| 4273742 | Drain apparatus for the reaction vessel in an atomic absorption instrument | Winfried Gonner | 1981-06-16 |
| 4268478 | Method and apparatus for generating and transferring a gaseous test sample | — | 1981-05-19 |
| 4230665 | Apparatus for automatically generating and measuring gaseous measuring samples from a series of liquid samples | — | 1980-10-28 |
| 4208372 | Apparatus for generating and transferring a gaseous test sample to an atomic absorption spectrometer | — | 1980-06-17 |
| 4204430 | Automatic liquid flow sampling apparatus | Rolf Tamm, Toma Tomoff | 1980-05-27 |