ALEXANDRIA, Va., June 2 -- United States Patent no. D1,128,677, issued on June 2, was assigned to Schwan-STABILO SchwanhauBer GmbH & Co. KG (Heroldsberg, Germany).
"Smart pen" was invented by Jurgen Abt (Heilsbronn, Germany) and Dieter Hecker (Treuchtlingen, Germany).
The patent was filed on July 17, 2024, under Application No. D/523,244.
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