ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,146, issued on April 22, was assigned to LEICA BIOSYSTEMS MELBOURNE PTY LTD (Mount Waverley, Australia).

"Cover member with orientation indicia" was invented by Adam Michael Gray (Surrey Hills, Australia) and Michael Stephen Glynn (Wheelers Hill, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cover member for use in the treatment of a sample on a substrate is disclosed. The cover member has fluid flow features and is adapted for use in an instrument, such as a laboratory instrument. The cover member comprises at least one orientation feature detectable by the instrument for ascertaining an orientation of the cover member. An automated met...