Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329737 | Ceramic building block | Kevin G. Hayes, Joanne M. Peek | 1994-07-19 |
| 5298205 | Ceramic filter process | Kevin G. Hayes | 1994-03-29 |
| 5296180 | Ceramic process | Kevin G. Hayes | 1994-03-22 |