ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,608, issued on Jan. 13, was assigned to INTERNATIONAL SAFETY COMPONENTS Ltd. (Gwynedd, Great Britain).

"Combination rope ascender and pulley" was invented by Kevin Brown (Gwynedd, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A combination climbing apparatus (1) comprising or including a rope ascender (5) and a pulley block (6), the rope ascender having front (19) and rear (21) plates disposed in generally parallel relationship, a first swivel pin (11) being received within co-axial bores in the front and rear plates, about which pin the plates are swivelable with respect to each other, a cam lever (9) mounted on the first swivel pin ...