Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9801425 | Helmet shield including ventilation unit | Young Il Kim, Chang-Seob Lee | 2017-10-31 |
| D581099 | Safety helmet | Weon Yeol Choi | 2008-11-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9801425 | Helmet shield including ventilation unit | Young Il Kim, Chang-Seob Lee | 2017-10-31 |
| D581099 | Safety helmet | Weon Yeol Choi | 2008-11-18 |