The expiration, August 14, of two of what have heretofore been considered the "controlling " patents of the McKay Sewing ...
For much of the nineteenth century, inventors submitted a model with their patent application to the United States Patent Office. The National Museum of American History’s patent model collection ...
CC0 Usage Conditions ApplyClick for more information. IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF ...
How a museum dedicated to telling the story of industrial history became the steward of the largest private collection of patent models Caroline Western-Osienski Nation of Inventors, Hagley Museum and ...