Patent Office
National Portrait Gallery

Patent Office

I. & M. Ottenheimer, active 1890 - 2002 · c. 1907

Lithograph
National Portrait Gallery
CC0 — Public Domain
National Portrait Gallery

National Portrait Gallery, Smithsonian Institution

🔒
Order museum-quality prints

Sign in to order prints, canvas, and more of this work. Browsing and full-resolution downloads stay free.