Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022305 | Pleating apparatus | Kyung-Ju Choi | 2000-02-08 |
| 5667544 | Extended life filter apparatus | Daniel R. Haas | 1997-09-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022305 | Pleating apparatus | Kyung-Ju Choi | 2000-02-08 |
| 5667544 | Extended life filter apparatus | Daniel R. Haas | 1997-09-16 |