Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340627 | Wound and sintered vitreous silica article and method of making | Heinz Herzog, Karl A. Schulke, Holger Grzybowski | 1982-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340627 | Wound and sintered vitreous silica article and method of making | Heinz Herzog, Karl A. Schulke, Holger Grzybowski | 1982-07-20 |