Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376450 | Low surface acid intercalated graphite and method | Richard I. Bretz | 1994-12-27 |
| 5372619 | Method for storing methane using a halogenating agent treated activated carbon | Richard I. Bretz, Joseph Timothy Mullhaupt | 1994-12-13 |
| 5373051 | Room temperature setting carbonaceous cement with increased oxidation resistance | Irwin C. Lewis, Terrence Pirro, Richard I. Bretz, Dennis J. Kampe | 1994-12-13 |
| 5280063 | Room temperature setting carbonaceous cement | Irwin C. Lewis, Terrence Pirro, Richard I. Bretz, Dennis J. Kampe | 1994-01-18 |