ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,069, issued on April 8, was assigned to Northern Mat & Bridge (Gp) Ltd. (Calgary, Canada).
"Mat washing system" was invented by Sam West (Houston, Canada), Ryan Dusterhoft (Grand Prairie, Canada), Heith Johnson (Clairmont, Canada), Douglas A. Hunter (Calgary, Canada), Dennis Needham (Calgary, Canada), Gerald Mychajlyszyn (Calgary, Canada), Clifford Cameron (Calgary, Canada) and Daniel Kusler (Foothills, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A brushless system for washing a large flat object having a length greater than a width, the width defining a cross-section, said system including a frame defining a longitudinal path and includin...