Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6998177 | Method of making a glass body with a phosphorous- and porous SiO2-containing coating, glass body made thereby and solution for making same | Marta Krzyzak, Gundula Helsch, Guenther Heinz Frischat | 2006-02-14 |
| 4361030 | Method for leak detection in a pipeline system and a measuring well for use in a pipeline system in the method for leak detection | — | 1982-11-30 |