ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,207,631, issued on Jan. 28, was assigned to CRESSI-SUB S.p.A. (Genoa, Italy).

"Speargun for underwater fishing" was invented by Stefano Pedemonte (Genoa, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The speargun for underwater fishing comprises a spear, a hollow hand grip having therewithin a retaining mechanism for retaining the spear, a snap trigger of the retaining mechanism for the release of the spear, a hollow barrel fixed to the hand grip, a terminal head fixed to the barrel and supporting at least one lateral pulley on which a rubber band for the propulsive thrust of the spear is wound, and a housing for engaging one end of the rubber ba...