ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,462, issued on Feb. 17, was assigned to Tobon Enterprises Corp (Cypress, Texas) and Uniqa Dental LTD (Netanya, Israel).
"Screw for securing a dental prosthesis" was invented by Jeffry Tobon (Cypress, Texas), Samyon Kupchan (Netanya, Israel) and Daniel Goberman (Netanya, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A screw (10) for securing a dental prosthesis directly to a dental abutment includes a threaded portion (12) lying within a virtual cylinder (14) of a first diameter D1, and a head portion (16) having a shaped recess (18) for receiving a driver. The head portion (16) has a second diameter D2 greater than first diameter D1. A conic...