Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987672 | Method of partitioning the internal space of a hollow cylindrical member | Toshimitsu Shida | 1991-01-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987672 | Method of partitioning the internal space of a hollow cylindrical member | Toshimitsu Shida | 1991-01-29 |