ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,566, issued on Sept. 8, was assigned to SUMITOMO RUBBER INDUSTRIES LTD. (Kobe, Japan).
"Mold for golf balls" was invented by Takahiro Sajima (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mold for a golf ball can include a pair of mold halves. Each mold half can have a cavity face including a plurality of pimples. The cavity face can have a low-latitude zone and a high-latitude zone. The low-latitude zone can include a low-latitude base surface having an inner diameter larger than that of a phantom sphere of a cavity. The high-latitude zone can include a high-latitude base surface having an inner diameter equal to that of the phantom ...