Roy Dunlap invented a mechanical pressure switch that prevented oil tanks from overflowing and founded SOR Inc. SOR® founder Roy Dunlap leveraged the static-o-ring (SOR) technology to invent a highly ...
Roy Dunlap invented a mechanical pressure switch that prevented oil tanks from overflowing and founded SOR Inc. SOR® founder Roy Dunlap leveraged the static-o-ring (SOR) technology to invent a highly ...