Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7931725 | Fluted filter apparatus | Gene W. Brown, Steven J. Merritt | 2011-04-26 |
| 6743317 | Method of sealing, housing and constructing honeycomb filters | — | 2004-06-01 |
| 4600420 | Filter with integral structural framework | Warren Gehl | 1986-07-15 |
| 4410427 | Fluid filtering device | — | 1983-10-18 |