Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834836 | Method and apparatus for pollution control of liquid wastes | — | 1989-05-30 |
| 4735728 | Method for pollution control in photographic processing | — | 1988-04-05 |
| 4640769 | Apparatus for photographic film processor pollution control | — | 1987-02-03 |
| 4465593 | Recovery of metal from waste water by chemical precipitation | — | 1984-08-14 |