Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10955321 | Biological sample collectors and handling thereof | Peter James Tatnell, Jeffrey Kenneth Horton, Christopher George Norey, Alan Stuart Pierce | 2021-03-23 |
| 5220514 | Method & apparatus for liquid level conductance probe control unit with increased sensitivity | — | 1993-06-15 |
| 5111691 | Conductance/thermal limit control apparatus and method | Jack R. Piper | 1992-05-12 |
| 4490658 | Circuit for automatically sequencing a valve mechanism | — | 1984-12-25 |
| 4390793 | Electronic liquid level control apparatus | — | 1983-06-28 |
| 4320394 | Fiber optics liquid level and flow sensor system | — | 1982-03-16 |
| 4263587 | Liquid level control system | — | 1981-04-21 |