Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349203 | Flange connection to connect a metallic and a glass or ceramic structural element | — | 1982-09-14 |
| 4340627 | Wound and sintered vitreous silica article and method of making | Heinz Herzog, Heinrich Mohn, Holger Grzybowski | 1982-07-20 |