Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886414 | Traversing method for long and heavy article | Sadashi Hanada | 1989-12-12 |
| 4884938 | Apparatus for handling large-sized articles | Sadashi Hanada, Yoshiaki Yamamoto | 1989-12-05 |