US Patent Issued to Schlage Lock on Aug. 18 for "Attack-resistant ring lock" (Dutch Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,919, issued on Aug. 18, was assigned to Schlage Lock Co. LLC (Carmel, Ind.).

"Attack-resistant ring lock" was invented by Marco Stunnebrink (Horssen, Netherlands), Ilias Baiazitov (Utrecht, Netherlands) and Jan Gerbrand Hutten (Veenendaal, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exemplary ring lock generally includes a case, a shackle, and a lock mechanism. The shackle is movably mounted to the case. The lock mechanism is operable to selectively retain the shackle in a closed position. The case includes a first case portion including a first flange, and a second case portion including a second flange. In certain forms, the firs...