ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,006, issued on April 21, was assigned to Ground-Guards Ltd (Leeds, Great Britain).
"Fastening device for ground protection mats" was invented by Marcus Oliver (Wetherby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fastening device to releasably interconnect ground protection mats or panels. The fastening device comprises a first male part and a second female part. Each male and female part comprise a respective helical rib having features configured to interlock so as to provide frictional resistance to axial separation so as to interconnect ground protection mats to form a unitary ground covering system."
The patent was filed o...