ALEXANDRIA, Va., Feb. 11 -- United States Patent no. D1,112,412, issued on Feb. 10, was assigned to Carl Zeiss Vision International GmbH (Aalen, Germany).
"Optical property demonstrator" was invented by Stephan Duewel (Aalen, Germany) and Jonas Rothaupt (Aalen, Germany).
The patent was filed on March 29, 2024, under Application No. D/935,093.
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