Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5913401 | Magnetic screw device, method of manufacturing magnetic screw device, and conveying device with magnetic screw | Akira Tamura, Tadashi Endo, Eiji Uematsu | 1999-06-22 |