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DE483471C Expired / Lapsed DE ⏱️ 0.0 years remaining

Device for the correct setting of the pupillary distance when viewing stereoscopic images and the distance of the eyes from the images

Assignee: ALBERT HASSELWANDER DR
•
Filing: 1926-11-24
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Granted: 1929-10-01
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Expires: 1946-11-24
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-04 01:27
CPC Classifications
G; G02; G02B; G02B30/00; G02B30/20; G02B30/34; G02B30/36; G02B30/35

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