Inventor
BRAY DONALD THEDORE
3 patents
Patents
3 patentsUS4046685ASep 6, 1977
Simultaneous production of multiple grades of purified water by reverse osmosis
DESALINATION SYSTEMS92 citations92
US4077883AMar 7, 1978
Reverse osmosis system with automatic pressure relief valve
DESALINATION SYSTEMS37 citations88
US4070280AJan 24, 1978
Manually operable reverse osmosis apparatus
DESALINATION SYSTEMS55 citations88