ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,719, issued on June 2, was assigned to PERMOBIL INC. (Lebanon, Tenn.).

"Front add-on for a wheelchair" was invented by William Alexander Emfinger (Nashville, Tenn.), Benjamin William Gasser (Nashville, Tenn.) and Benjamin Phillip Hemkens (Nashville, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A steering system for a wheelchair includes a steering device configured to be engaged by a user, a front wheel operably connected to the steering device, and a frame assembly configured to carry the steering device and the front wheel. The frame assembly is configured to removably engage a mounting member of the wheelchair. A mounting assembly can be c...