Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5907134 | Air gap-insulated exhaust pipe and process for manufacturing same | Thomas Nording | 1999-05-25 |
| 5799395 | Process for manufacturing an air gap-insulated exhaust pipe | Thomas Nording | 1998-09-01 |