Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7121805 | Electric fan with detachable blades | S. C. Chang | 2006-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7121805 | Electric fan with detachable blades | S. C. Chang | 2006-10-17 |