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Commissioner of patents. Washington, D.C., Feb. 29. Conway Coe, United States commissioner of patents, 2-29-40
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Commissioner of patents. Washington, D.C., Feb. 29. Conway Coe, United States commissioner of patents, 2-29-40

Harris & Ewing · 1940-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

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washington (d.c.)district of columbiaglass negativesunited states
Credit lineCommissioner of patents. Washington, D.C., Feb. 29. Conway Coe, United States commissioner of patents, 2-29-40. 1940-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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