Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4788478 | Speed control system for DC motor | Eiichi Ishii | 1988-11-29 | $62,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4788478 | Speed control system for DC motor | Eiichi Ishii | 1988-11-29 | $62,000 |