ALEXANDRIA, Va., Feb. 17 -- United States Patent no. D1,113,558, issued on Feb. 17.
"Gemstone" was invented by Sergey Borisovich Sivovolenko (Tampere, Finland) and Roman Sergeevich Serov (Tampere, Finland).
The patent was filed on Sept. 3, 2024, under Application No. D/522,489.
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