ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,591, issued on April 15, was assigned to HASS Co. LTD. (Gangneung-si, South Korea).
"Dental blank" was invented by Hyung Bong Lim (Ansan-si, South Korea), Hwan Soon Koh (Anyang-si, South Korea), Joon Hyung Kim (Anseong-si, South Korea), Sung Ho Ha (Ansan-si, South Korea) and Yong Su Kim (Gangneung-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a dental blank. The dental blank includes: a seating portion provided in an artificial tooth processing apparatus; and a material portion configured to be inserted into the seating portion, wherein the material portion includes a plurality of outer contacting portions in contact with...