ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,536, issued on May 12.

"Dual-mode flush systems and methods thereof" was invented by Eugene G. Stravinsky II (Wrightstown, N.J.) and Albert Mattiucci (Dunedin, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to systems and methods for waste management in recreational vehicles. A toilet bowl assembly of the system receives waste. A flushing mechanism of the system is operatively connected to the toilet bowl assembly. A plurality of user activation interfaces is coupled to the flushing mechanism, configured to activate a mode of operation of the system. The mode of operation includes a black tank mode and a residentia...