Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1325 | One stage coal gasification process | Egon L. Doering, Eugene Alsandor | 1994-07-05 |
| 5282877 | Filtration device | Petrus Jacobus Adrianus Tijm, Hendrik A. Dirkse | 1994-02-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1325 | One stage coal gasification process | Egon L. Doering, Eugene Alsandor | 1994-07-05 |
| 5282877 | Filtration device | Petrus Jacobus Adrianus Tijm, Hendrik A. Dirkse | 1994-02-01 |