US Patent Issued to Ivoclar Vivadent on May 20 for "Round dental blank holding ring and an arrangement having a blank and a holding ring" (Swiss Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,343, issued on May 20, was assigned to Ivoclar Vivadent AG (Schaan, Liechtenstein).

"Round dental blank holding ring and an arrangement having a blank and a holding ring" was invented by Markus Lichtensteiger (Montlingen, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a round dental blank holding ring, in particular having a holding projection (22) forming an undercut, wherein the holding ring (10) consists of at least two components (26, 28), the harder one of which overlaps the softer one."

The patent was filed on Nov. 5, 2021, under Application No. 17/519,663.

*For further information, including images, char...