Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10267533 | Gooseneck style vent | James Mantyla | 2019-04-23 |
| 10180260 | Flapper valve adaptor for a roof vent and method of installing the same | James Mantyla | 2019-01-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10267533 | Gooseneck style vent | James Mantyla | 2019-04-23 |
| 10180260 | Flapper valve adaptor for a roof vent and method of installing the same | James Mantyla | 2019-01-15 |