File:OJ Zobel signature.png
OJ_Zobel_signature.png (446 × 164 pixels, file size: 3 KB, MIME type: image/png)
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DescriptionOJ Zobel signature.png | Zobel's signature in his draughtsmanlike hand as it appears on a patent application | |||||||
Date | ||||||||
Source | US Patent 1557229 | |||||||
Author | O J Zobel | |||||||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:18, 5 December 2023 | 446 × 164 (3 KB) | Materialscientist (talk | contribs) | {{Information |Description=Zobel's signature in his draughtsmanlike hand as it appears on a patent application |Source=US Patent 1557229 |Date=1925-10-13 |Author=O J Zobel |Permission={{PD-US}} |other_versions= }} Category:Otto Julius Zobel |
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File change date and time | 09:18, 5 December 2023 |