Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829400 | Gas-insulated switchgear | — | 1989-05-09 |
HE
Hiroshi Enomoto
Overall (1989): #105,711 of 140,708Top 80%
1
Patents 1989