Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622631 | Process for reducing consumption of fresh water and energy costs used in a photofinishing operation | — | 1997-04-22 |
| 5439584 | System for reducing consumption of fresh water and energy costs used in a photofinishing operation | — | 1995-08-08 |
| 4800005 | Treatment plant for recovery of metal from hazardous waste | Samuel Rosenfeld, Rhoda Rosenfield, executrix | 1989-01-24 |