Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667372 | Rolling piston rotary compressor formed with lubrication grooves | Chang Joo Shin | 1997-09-16 |
SH
Seon-Woong Hwang
Overall (1997): #79,932 of 185,788Top 45%
1
Patents 1997