Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600826 | Heating time control means for a heating appliance | — | 1986-07-15 |
YI
Yozo Ishimura
Overall (All Time): #3,998,798 of 4,157,543Top 100%
1
Patents All Time