Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876504 | Apparatus for investigating the condition of a bacteria containing suspension through frequency profile of electrical admittance | Barry C. Blake | 1989-10-24 |
| 4848139 | Determining amount of biological material | Barry C. Blake-Coleman | 1989-07-18 |
| 4810963 | Method for investigating the condition of a bacterial suspension through frequency profile of electrical admittance | Barrie C. Blake-Coleman | 1989-03-07 |
| 4796468 | Apparatus for measuring fluid density | Barry C. Blake-Coleman | 1989-01-10 |