Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665132 | Process for the sintering of hollow cylinders of silicon dioxide soot | Klaus Ruppert, Uwe Christiansen, Klaus Dittmer, Anton Steinkohl | 1997-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665132 | Process for the sintering of hollow cylinders of silicon dioxide soot | Klaus Ruppert, Uwe Christiansen, Klaus Dittmer, Anton Steinkohl | 1997-09-09 |