ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,472, issued on June 17, was assigned to ACROSS BRIDGES LTD. (Rosedale, Canada).

"Portable bridge" was invented by Gary Wayne Teichrob (Rosedale, Canada), Patrick Scott Mason (Cultus Lake, Canada), Jacob Christiaan Klaassen (Chilliwack, Canada), John Verdonk (Rosedale, Canada), Russell Lee Janzen (Chilliwack, Canada) and Dennis Keith Ho (Abbotsford, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable bridge includes a first end segment and a second end segment spaced apart. The first end segment and the second end segment are placed on opposite sides of an obstacle to be spanned by the portable bridge. A spanning segment is coupled betwe...