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Smithsonian Institution

United States Patent Office

I. & M. Ottenheimer, active 1890 - 2002
Department
National Portrait Gallery
Classification
Print
Dated
c. 1907-15
Pixels
4000 × 2536
SHA-256
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Record
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License, verbatimCC0
The Smithsonian Institution: Open Access image dedicated to the public domain under Creative Commons Zero (CC0); usage.access=CC0 on the media record itself.
I. & M. Ottenheimer, active 1890 - 2002. United States Patent Office, c. 1907-15. Smithsonian Institution.
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