Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736875 | Composite cordierite filters | Kishor Purushottam Gadkaree, Joseph F. Mach, Christopher John Warren, Yuming Xie | 2004-05-18 |
| 6699429 | Method of making silicon nitride-bonded silicon carbide honeycomb filters | Dale R. Wexell, Elizabeth Margaret Wheeler | 2004-03-02 |