ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,679, issued on March 17.

"Multiple-seat wagon propelled by simultaneously rowing and pedaling for use in water or land" was invented by Marcio Cesar Ferez (Miami).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a novel multiple-seat wagon propelled by simultaneously rowing and pedaling for use in water or land. The present invention provides a unique and versatile multiple-seat wagon that can be converted into a sea vessel. It allows the vehicle to float on water and serves as the lower part of the vessel. The water propulsion assembly includes two water wheels that are responsible for generating forward and backward mo...