Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10281937 | Automatically balancing registered for HVAC system | Ronald Lingemann | 2019-05-07 |
| 8550370 | Automatically balancing register for HVAC systems | Ronald Lingemann | 2013-10-08 |
| 5406331 | Digital camera for recording color images | — | 1995-04-11 |