U.S. federal trademark · Serial No. 72051460 · Reg. No. 0690811
PORTABLE ELECTRIC MEMBRANE WATER DEMINERALIZERS WHEREIN A DIRECT ELECTRIC CURRENT IS PASSED THROUGH A MULTIPLE CHAMBER ELECTRODIALYSIS CELL, SAID CHAMBERS BEING DEFINED ALTERNATELY BY ANION AND CATION SELECTIVE MEMBRANES CAUSING DEMINERALIZATION OF THE AQUEOUS LIQUID FLOWING IN ALTERNATE CHAMBERS AND SALT CONCENTRATION IN THE AQUEOUS LIQUID FLOWING THROUGH THE OTHER ALTERNATE CHAMBERS
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