ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,469, issued on April 22.
"Wireless abrasive blasting remote deadman assembly" was invented by Douglas P. Nodurft (Jefferson, La.) and Michael Z Sherwood (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides for an abrasive blasting remote assembly having a shroud and a deadman lever pivotally connected to the shroud. The deadman lever is pitoval between a closed operating position and a released position. In the closed operating position, the deadman ever engages a momentary deadman switch disposed within the shroud. The momentary deadman switch is electrically connected to a wireless transmitter circuit board, which...