ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,217,618, issued on Feb. 4.

"Note playing guide template for a musical keyboard" was invented by Joseph Bourke (Brunswick, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A note playing guide template for a musical keyboard having raised and lower keys has a spine holding a plurality of interstitial guide pieces extending from one side of the spine which have guide annotations. The template is planar so that, in use, the template can be laid flat across the lower keys so that the spine is coplanar with the guide pieces, the guide pieces fit between the raised key and the spine fit s behind the raised keys."

The patent was filed on Aug. 25, 2021,...