Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376270 | Box filter | — | 1994-12-27 |
| 5376272 | Filter assembly including a filter and closure member | — | 1994-12-27 |
| 5284997 | Two step filter and process | Eric C. Stender, Patrick Richard Spearman | 1994-02-08 |