Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373051 | Room temperature setting carbonaceous cement with increased oxidation resistance | Irwin C. Lewis, Ronald Greinke, Richard I. Bretz, Dennis J. Kampe | 1994-12-13 |
| 5280063 | Room temperature setting carbonaceous cement | Irwin C. Lewis, Ronald Greinke, Richard I. Bretz, Dennis J. Kampe | 1994-01-18 |