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- The U.S. Patent Office, circa 1869 - In 1836, the U.S. Congress authorized the building of a new patent office. The white marble neoclassical building, located in the center of Washington, D.C., was to be a general repository of American inventions and improvements in machinery and manufactures. During the Civil War, the three-story building served as a makeshift hospital and as site of President Abraham Lincoln's second Inaugural Ball.

- circa 1869
- Collections - Artifact
The U.S. Patent Office, circa 1869
In 1836, the U.S. Congress authorized the building of a new patent office. The white marble neoclassical building, located in the center of Washington, D.C., was to be a general repository of American inventions and improvements in machinery and manufactures. During the Civil War, the three-story building served as a makeshift hospital and as site of President Abraham Lincoln's second Inaugural Ball.
- The U.S. Patent Office, Washington, D.C., 1880-1900 - In 1836, the U.S. Congress authorized the building of a new patent office. The white marble neoclassical building, located in the center of Washington, D.C., was to be a general repository of American inventions and improvements in machinery and manufactures. Inside the three-story building, government officials displayed thousands of patent models along with other national treasures.

- 1880-1900
- Collections - Artifact
The U.S. Patent Office, Washington, D.C., 1880-1900
In 1836, the U.S. Congress authorized the building of a new patent office. The white marble neoclassical building, located in the center of Washington, D.C., was to be a general repository of American inventions and improvements in machinery and manufactures. Inside the three-story building, government officials displayed thousands of patent models along with other national treasures.
- The U.S. Patent Office, Washington, D.C., 1880-1900 - In 1836, the U.S. Congress authorized the building of a new patent office. The white marble neoclassical building, located in the center of Washington, D.C., was to be a general repository of American inventions and improvements in machinery and manufactures. Inside the three-story building, government officials displayed thousands of patent models along with other national treasures.

- 1880-1900
- Collections - Artifact
The U.S. Patent Office, Washington, D.C., 1880-1900
In 1836, the U.S. Congress authorized the building of a new patent office. The white marble neoclassical building, located in the center of Washington, D.C., was to be a general repository of American inventions and improvements in machinery and manufactures. Inside the three-story building, government officials displayed thousands of patent models along with other national treasures.
- Model Room of the U.S. Patent Office, Washington, D.C., circa 1870 - In 1836, the U.S. Congress authorized the building of a new patent office. The white marble neoclassical building, located in the center of Washington, D.C., was to be a general repository of American inventions and improvements in machinery and manufactures. Inside the three-story building, government officials displayed thousands of patent models along with other national treasures.

- circa 1870
- Collections - Artifact
Model Room of the U.S. Patent Office, Washington, D.C., circa 1870
In 1836, the U.S. Congress authorized the building of a new patent office. The white marble neoclassical building, located in the center of Washington, D.C., was to be a general repository of American inventions and improvements in machinery and manufactures. Inside the three-story building, government officials displayed thousands of patent models along with other national treasures.
- Patent Office Building, Washington, D.C., 1880-1900 -

- March 01, 1965
- Collections - Artifact
Patent Office Building, Washington, D.C., 1880-1900