Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802253 | Dry cleaning method using at least two kinds of solvents | Haruo Hagiwara, Hideo Tsukamoto | 1989-02-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802253 | Dry cleaning method using at least two kinds of solvents | Haruo Hagiwara, Hideo Tsukamoto | 1989-02-07 |