Optical property demonstrator
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Claims
The ornamental design for an optical property demonstrator as shown and described.
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- Amazon Spolehli Optical Retinoscopy Rack Lens, earliest pictured Dec. 12, 2022, [online], [site visitedOct. 14, 2025]. Available via Internet, <URL:https://www.amazon.com/dp/B0BPSBPM8P/ref=sspa_dk_detail_0> (Year: 2022).
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Type: Grant
Filed: Mar 29, 2024
Date of Patent: Feb 10, 2026
Assignee: Carl Zeiss Vision International GmbH (Aalen)
Inventors: Stephan Duewel (Aalen), Jonas Rothaupt (Aalen)
Primary Examiner: Joseph Kukella
Assistant Examiner: Breana Copeland
Application Number: 29/935,093