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 accurate mechanical pressure switch that helped prevent the overfilling of oil tanks. This simple but innovative design resulted in a switch of flawless accuracy that would change the oil & gas and power generation industries forever. The static-o-ring pressure switch was developed…