ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,894, issued on March 4.

"Adjustable force sensor system" was invented by Ben Spannuth (Lander, Wyo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable climbing wall system enabling the arrangement of a force sensor with an attached climbing hold in various positions attached to a frame or wall. The system comprises a subframe element that is configured to a couple with a force plate. The subframe element is configured to be adjustable from a first position to a second position. The force plate is configured to couple with a climbing hold and the force sensor is configured to output a signal indicative of the forces applied to the climbing ...