Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667469 | Strong magnetism therapeutic apparatus with permanent-magnets rotating at low frequency | Xiaoyun Zhang, Dali Zheng | 1997-09-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667469 | Strong magnetism therapeutic apparatus with permanent-magnets rotating at low frequency | Xiaoyun Zhang, Dali Zheng | 1997-09-16 |