ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,529, issued on April 14, was assigned to OSSTEMIMPLANT Co. LTD. (Seoul, South Korea).
"Foot controller for dental unit chair" was invented by Dae Yong Hwang (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a foot controller for a dental unit chair capable of easily and conveniently controlling the amount of air supplied to a treatment tool provided in the dental unit chair. The present invention provides a foot controller for a dental unit chair, including: an air valve configured to control a flow rate of air supplied to the treatment tool; a cam block configured to be installed under a rod provided...