Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353949 | Vent filter assembly | Jeffrey M. Seibert | 1994-10-11 |
| 5271838 | Filter assembly with filter elements separated by spacers | Mark Johnson | 1993-12-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353949 | Vent filter assembly | Jeffrey M. Seibert | 1994-10-11 |
| 5271838 | Filter assembly with filter elements separated by spacers | Mark Johnson | 1993-12-21 |