Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5528438 | Drum assembly having a lower fixed drum and an upper rotary drum with a particularly shaped outer surface | Seiki Tanaka, Takashi Sasaya | 1996-06-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5528438 | Drum assembly having a lower fixed drum and an upper rotary drum with a particularly shaped outer surface | Seiki Tanaka, Takashi Sasaya | 1996-06-18 |