Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852891 | Plastic boots and method of manufacturing the same | Hidemi Sugiura, Kenji Miyamoto | 1989-08-01 |
| 4805921 | Mechanical shaft joint boot | Takashi Furukawa, Yasuo Hojo | 1989-02-21 |