Issued Patents 2024
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12178382 | Central vacuum system and inlet valves therefor | Darrell V. Nieschwitz, Shawn C. Metz | 2024-12-31 |
| 12016517 | Adapter for a vacuum hose | Darrell V. Nieschwitz, Shawn C. Metz | 2024-06-25 |
| 11903553 | Vacuum hose having an integrated switch | Darrell V. Nieschwitz, Shawn C. Metz | 2024-02-20 |
| 11896187 | Central vacuum system and inlet valves therefor | Darrell V. Nieschwitz, Shawn C. Metz | 2024-02-13 |