Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D650812 | Portion of an engine cover | David Hsu | 2011-12-20 |
| D645337 | Small washer | David Hsu, Henry Immanuel Hsu | 2011-09-20 |
| D644921 | Large washer | David Hsu, Henry Immanuel Hsu | 2011-09-13 |