Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705444 | Filter material of ceramic oxide fibers and vermiculite particles | Thomas L. Tompkins, Edward M. Fischer, Steven R. Paulson | 1998-01-06 |
| 5195843 | Ceramic foam body having closed cell structure | Billy L. George, Joseph Graham | 1993-03-23 |
| 4521333 | Intumescent silicates having improved stability | Joseph Graham, James A. Laird | 1985-06-04 |