Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580112 | Vacuum pencil having a short tip with an abutment means | Dean E. Lin, Chien-Kang Chou | 1996-12-03 |
CC
Chih-MIing Chen
Overall (All Time): #3,758,483 of 4,157,543Top 95%
1
Patents All Time