Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9528315 | Prefabricated structure of composite window/door apparatus using different frame materials | — | 2016-12-27 |
| 9453360 | Window/ door system with flat track having “C”-shaped roller supports | — | 2016-09-27 |
| 9316045 | Window and door system having easily changeable structure | — | 2016-04-19 |