ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,173, issued on July 1, was assigned to BARRA PROJECT INTERNATIONAL S.R.L. (Nembro, Italy).
"Eccentric mass vibrating system" was invented by Genio Fedele Migliorati (Bergamo, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "An eccentric mass vibrating system comprising: a first motor having a first shaft; a first eccentric mass connected to said first shaft; a second motor having a second shaft; a second eccentric mass connected to said second shaft; said first motor and said second motor are adapted to be associated with an object to be vibrated; said first motor and said second motor being electrically adjustable so as to arrange said first ecc...