Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248437 | Method for the magnetic inhibition of protista | — | 1993-09-28 |
| 5055188 | Magnetic apparatus for controlling Protista in distillates | John Andrew Johnston, Colin P. Wickham | 1991-10-08 |