Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161640 | Multi-zone variable refrigerant flow heating/cooling unit | Joel John Williams, Charles Thomas Couch, Edward H. Metzger | 2018-12-25 |
| 10088178 | Multi-zone variable refrigerant flow heating/cooling unit | Joel John Williams, Charles Thomas Couch, Edward H. Metzger | 2018-10-02 |