Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D309911 | Process unit for copying machine | Shigeo Koyama | 1990-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D309911 | Process unit for copying machine | Shigeo Koyama | 1990-08-14 |