Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875908 | Process for selectively separating gaseous mixtures containing water vapor | Hiroyasu Kikukawa, Eiji Shimoda, Fumiko Kitada | 1989-10-24 |
| 4803078 | Wound dressing | — | 1989-02-07 |