Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300604 | Suspending hook | — | 1989-04-11 |
| 4775127 | Device for fixing rail for hanging exhibits | — | 1988-10-04 |
| 4260127 | Yoke for use in concrete work | Eiichi Sudo, Kiyoshi Urata | 1981-04-07 |