Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356697 | Heat engines | — | 1982-11-02 |
| 4329202 | Continuous heating process for producing char from cellulosic material | Francis Gross, Fred E. Knoffsinger | 1982-05-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356697 | Heat engines | — | 1982-11-02 |
| 4329202 | Continuous heating process for producing char from cellulosic material | Francis Gross, Fred E. Knoffsinger | 1982-05-11 |