Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398839 | Pleated fluid filter medium frame | Kyung-Ju Choi, Dennis R. Porter | 2002-06-04 |
| 6254653 | Pleated fluid filter medium blend | Kyung-Ju Choi, Dennis R. Porter | 2001-07-03 |
| D279035 | Fire extinguisher head assembly | — | 1985-05-28 |