Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10401027 | Non-return valve for flue gas venting and damper assembly for use therein | Filippo Martino | 2019-09-03 |
| D857858 | Thermal expansion device | Ivan Lee Stiehl | 2019-08-27 |
| D837742 | Surface mount outdoor receptacle box | Aaron Kitagawa | 2019-01-08 |