Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062398 | Vacuum cleaner and cyclone module therefor | Wing-Hei Cho | 2011-11-22 |
| 7960877 | Electric reciprocating motion device with spring motor | — | 2011-06-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062398 | Vacuum cleaner and cyclone module therefor | Wing-Hei Cho | 2011-11-22 |
| 7960877 | Electric reciprocating motion device with spring motor | — | 2011-06-14 |