Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221475 | Filter support | David Bailey | 1993-06-22 |
| D334874 | Strainer support for holding a filtering cloth inside the support | David Bailey | 1993-04-20 |
| 4946591 | Tubular support with inperforate plastic sheet and filter cloth strainer | — | 1990-08-07 |