Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816333 | Silica coating | Roger W. Lange, Harold G. Sowman | 1989-03-28 |
SK
Soon-Kun Kang
Overall (All Time): #3,924,089 of 4,157,543Top 95%
1
Patents All Time