Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10329132 | Elevating lift with a stabilized movable base | Margaret K. Liu, Samuel K. Liu | 2019-06-25 |
| 10308423 | Portable collapsible container | Margaret C. Liu, Samuel K. Liu | 2019-06-04 |