Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313282 | Non-continuously rotatable and removable ferrule for duct fitting | Robert Beach, Andrew Poerschke | 2025-05-27 |
| 12298028 | Fitting and ferrule for connecting to flexible duct | Andrew Poerschke, Robert Beach | 2025-05-13 |
| 11821646 | Non-continuously rotatable and removable ferrule for duct fitting | Robert Beach, Andrew Poerschke | 2023-11-21 |