Inventor

MASON EDWIN E

US3 patents

Patents

3 patents

US4507131AMar 26, 1985

Electronic air filtering apparatus

MASCO CORP31 citations90

US4410934AOct 18, 1983

DC Power supply for an air filter

MASCO CORP23 citations80

US4523463AJun 18, 1985

Electronic air filtering apparatus

MASCO CORP9 citations71