Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336405 | Filter cartridge end cap assembly | Gregory H. C. Stephan | 1994-08-09 |
| 5332426 | Agglomerated activated carbon air filter | John C. Kostecki, Eric G. Graeve | 1994-07-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336405 | Filter cartridge end cap assembly | Gregory H. C. Stephan | 1994-08-09 |
| 5332426 | Agglomerated activated carbon air filter | John C. Kostecki, Eric G. Graeve | 1994-07-26 |