ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,301, issued on March 11.
"Controlled density-gradient timpani percussion mallets" was invented by Jason Haaheim (New York).
According to the abstract* released by the U.S. Patent & Trademark Office: "A timpani percussion mallet for use with a timpani musical instrument by a timpani player, the mallet comprising: a shaft having a first end that is for a timpani player to hold, and also having an opposite second end that is for the timpani player striking a part of the timpani musical instrument, wherein the shaft comprises at least one tube with outer walls, wherein the tube contains within the outer walls a plurality of segments including a first segment comprising a first solid...