Thursday - April 23, 2026
National Portrait Gallery Presents "The Spirit of Invention: Patent Office and Patentees"
April 23, 2026
WASHINGTON, April 23 -- The Smithsonian Institution National Portrait Gallery issued the following news release on April 22, 2026:

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National Portrait Gallery Presents "The Spirit of Invention: Patent Office and Patentees"

The Smithsonian's National Portrait Gallery will present "The Spirit of Invention: Patent Office and Patentees" June 26 through June 6, 2027. The exhibition will highlight the historic Patent Office Building, . . .

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