Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909972 | Braille forming apparatus for forming wide patterns and lines | — | 1999-06-08 |
HK
Hirotoshi Kotoh
Overall (All Time): #3,650,935 of 4,157,543Top 90%
1
Patents All Time