Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705118 | Process for producing a ceramic body | Peter A. Roberts, Frank R. Spitulnik | 1998-01-06 |
| 5458837 | Process for preparing a ceramic wick | Peter A. Roberts | 1995-10-17 |
| 5329737 | Ceramic building block | Peter A. Roberts, Joanne M. Peek | 1994-07-19 |
| 5298205 | Ceramic filter process | Peter A. Roberts | 1994-03-29 |
| 5296180 | Ceramic process | Peter A. Roberts | 1994-03-22 |