Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5413712 | Filter cartridges for liquid, and to filters fitted with such cartridges | Michel Gewiss | 1995-05-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5413712 | Filter cartridges for liquid, and to filters fitted with such cartridges | Michel Gewiss | 1995-05-09 |