ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,141, issued on Sept. 23, was assigned to Muhammad Taimour Shahid.

"Portable hangboard for grip and finger strength training" was invented by Muhammad Taimour Shahid (Brampton, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel portable grip and finger strength training hangboard device allows a user to perform weightlifting exercises, with a focus on grip strength training. The device is unique as it eliminates a user of intermediary items such as ropes, or bolts for latching onto a source of resistance. The source of resistance is gym equipment comprising dumbbells, barbells, and pullup bars. The device has two main components: a grippi...