Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514206 | Method for the production of a transverse corrugated or serrated interior pipe of a double-walled special gas discharge pipe with high angle selectivity | Udo Roselt, Manfred Pohler | 1985-04-30 |