Toilet Cleaning Method Patented by Kaivac
Patent No. US 6,789,552 B1: Research-ers for Kaivac, Inc., Hamilton, OH, patented a method to clean a toilet. It involves positioning a portable pressurized liquid with an electromechanical pump and a spray gun and aiming the gun toward the primary interior surface of the bowl adjacent to the lip of the rim and rotating it about the bowl.
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