ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,765, issued on July 15.
"Hoisting and lowering device" was invented by Mark Groves (Meridian, Idaho).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device, system and method are used for hoisting and lowering a load. The device has a front plate that may be displaced to reveal a sheave. The device also has a friction accessory. The friction accessory is arranged to create friction between a rope and the device when a load is suspended from the device using the rope and where the device is secured to a support structure. The system may be prepared by an operator, having ascended to an elevated location, and further allows the operator to lower the l...