Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660795 | Cartridge for collection of a sample by adsorption onto a solid surface | Frank H. Schaedlich | 1997-08-26 |
| 5597535 | Apparatus for detecting mercury | Frank H. Schaedlich | 1997-01-28 |