P
PatentIndex
Search
Landscape
Sign in
Inventor
METOKU YOSHIHARU
JP
2 patents
Patents
2 patents
US4790863A
Dec 13, 1988
Air cleaner
NITTA CO LTD
71 citations
89
US4846859A
Jul 11, 1989
Air cleaner
NITTA CO LTD
25 citations
88