Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11607719 | Method and apparatus for double-sided incremental flanging | Jian Cao, Kornel Ehmann, Jun Chen | 2023-03-21 |
| 11338348 | Method and apparatus for double-sided incremental flanging | Jian Cao, Kornel Ehmann, Jun Chen | 2022-05-24 |
| 8103037 | System for producing the parameters of a bass-enhanced loudspeaker enclosure | Ming-Sian Bai, Rong-Liang Chen | 2012-01-24 |