The U.S. Patent and Trademark Office in Washington circa 1920. Which, after a zillion-dollar makeover, is now the Smithsonian's National Portrait Gallery and Museum of American Art. National Photo Co. glass negative. View full size.
  BUY PRINT    The U.S. Patent and Trademark Office in Washington circa 1920. Which, after a zillion-dollar makeover, is now the Smithsonian's National Portrait Gallery and Museum of American Art. National Photo Co. glass negative. | Click image for Comments. | Home | Browse All Photos