Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767427 | Cartridge filter mounting apparatus | Joseph A. Barabas, Norman D. Phillips | 1988-08-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767427 | Cartridge filter mounting apparatus | Joseph A. Barabas, Norman D. Phillips | 1988-08-30 |