ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,501,888, issued on Dec. 23, was assigned to Shimano Inc. (Osaka, Japan).
"Lure with a weight inside of a spring" was invented by Takuro Yamane (Osaka, Japan) and Tatsurou Kawasaki (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lure includes a body, a weight, a guide member and an elastic member. The body is hollow and has a head in a front portion and a tail in a rear portion thereof. The weight is inside of the body so as to be movable in a front-rear direction. The guide member is in the body and configured to guide movement of the weight in the front-rear direction. The elastic member is in the body and is configured to generate an en...