ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,044, issued on Nov. 11.
"Sound selectable game calls" was invented by R. Keith Williams (El Dorado, Ark.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Sound selectable game calls may include a call frame. The call frame may include side frame panels. At least one frame spacer may be disposed between the side frame panels. At least one of the side frame panels may engage the frame spacer or spacers. At least one panel tension adjustment mechanism may engage the side frame panel or panels. The panel tension adjustment mechanism may be configured to adjust engagement tension of the corresponding side frame panel against the frame spacer or spacers. A ...