Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303173 | Vacuum cleaner | Isshin Miyamoto, Yasuo Nagamatsu, Yasuhiko Tanaka, Masaharu Sakamoto, Masataka Hidaka +1 more | 1989-08-29 |
KI
Kazuo Ishida
Overall (1989): #90,726 of 140,708Top 65%
1
Patents 1989