ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,398, issued on May 27, was assigned to Spraying Systems (Wheaton, Ill.).
"Pulse width modulating spraying system" was invented by Kyle Peter Smolinski (Wheaton, Ill.), Samuel Alexander Reinhart (Wheaton, Ill.), Weston John Thompson (Wheaton, Ill.), Andrew John Day (North Aurora, Ill.), Timothy H. Hennessy (Plainfield, Ill.) and Robert J. Adams (St. Charles, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid spraying system having an electrically operated pulse width modulation control for directing a modulated liquid discharge based upon frequency and duty cycle of a reciprocally operated liquid control valve. The spray nozzle assembly inc...