ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,870, issued on April 7.
"Fifth wheel fish house height adjustable connection" was invented by John R. Doubek (Albany, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ice fishing house trailer defines an enclosure having many amenities, including at least one ice fishing portal in the floor. The ice fishing house trailer is height adjustable between a travel position and an ice-contacting position, while remaining securely coupled to a towing vehicle through a fifth wheel or equivalent coupler. A storage compartment is affixed with and generally above the fifth wheel coupler. A quadrilateral linkage couples the ice fishing house body and stor...