Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478467 | Water purification device | Nathan A. Rihani | 1995-12-26 |
| D352091 | Water purification unit | Nathan A. Rihani | 1994-11-01 |
| 4935116 | Water purification device | — | 1990-06-19 |
| 4504387 | System and method for water purification | Charles F. Heinig, Edward A Lemire | 1985-03-12 |