Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846014 | Crankshaft mechanism having a variable stroke and a press employing said mechanism | Masayoshi Sugawara | 1989-07-11 |
| 4794781 | Deformation resistant frame for a press | Yuichi Nakamura | 1989-01-03 |