United States Patent No. US20120273446, issued in October 2014, was assigned to Gate Dental Services Ltd. (Galway, Ireland). A “dental bur storage device” was invented by Dr. Paul Moore (Roscahill, Ireland). An abstract* released by the U.S. Patent & Trademark Office:

The present invention is directed towards a dental bur storage device having a plurality of dental bur receiving holes capable of retaining a plurality of different dental bur types having different shank diameters, wherein, each of the plurality of dental bur receiving holes is tapered to allow a retaining fit to be established with any one of the plurality of different dental bur types having different shank diameters. …