ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,596, issued on June 23.

"Trolley launcher system for ziplines" was invented by Isiah Geoffrey Smith (Whistler, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A launcher for a zipline trolley system comprises a body, first and second arms, first and second connectors, first and second pads, and an actuating portion. The first and second arms extend from the body. The first and second connectors are pivotably connected to the first and second arms, respectively. The first and second pads are connected to the first and second connectors, respectively. The actuating portion comprises a sliding member and first and second pull arms. The first and ...