Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345996 | Conic reaction chamber for water decontamination | John A. Alexander | 1982-08-24 |
| 4340473 | Apparatus for joint particulate recovery and liquid purification | John A. Alexander | 1982-07-20 |