Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879905 | Apparatus for measuring the internal friction of a tranversely vibrating metal specimen | Hong Chen, Lien-Kuei Chang, Shern-Ji Tsay, Tung-Sheng Chou | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879905 | Apparatus for measuring the internal friction of a tranversely vibrating metal specimen | Hong Chen, Lien-Kuei Chang, Shern-Ji Tsay, Tung-Sheng Chou | 1989-11-14 |