ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,642, issued on April 7, was assigned to SCHNEIDER GMBH & Co. KG (Fronhausen, Germany).
"Block piece for blocking a lens" was invented by Gunter Schneider (Marburg, Germany), Stephan Huttenhuis (Niederweimar, Germany) and Thomas Simmer (Biedenkopf-Breidenstein, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A block piece (1) for blocking a lens (2), in particular an eyeglass lens, by means of a block material (3), wherein the block piece (1) has a bottom part (4) for holding the block piece (1) and an upper part (5) for a fastening of the lens (2) for processing and/or coating of an optically active surface of the lens (2). Additionally, the ...