Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10428983 | Exhaust collar and method for flexibly attaching an exhaust funnel for an exhaust hood to a vent pipe and exhaust funnel device | Andreas Robbert, Dirk Schuesseler | 2019-10-01 |