
patent holder
Charles R. Underhill was born in 1877 and died in 1947, aged about 70. Recorded occupations: inventor and writer. Country of citizenship: United States.
This image of Charles R. Underhill's signature comes from Wikimedia Commons (Wikidata P109 signature file). Its licence is recorded as Public domain, with the file credited to Charles R. Underhill. It is linked to the person through Wikidata property P109 (signature), which ties a documented individual to a specific archived file. We show the file as published and do not redraw or retouch it. Deceased 1947: low publicity-rights risk.
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