An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
The site is secure.
A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on
official, secure websites.
Learn how to use the Document Viewer on Patent Public Search to navigate through the patents and published patent applications retrieved by your search. The view can be toggled between a text format view and an image format view. Keyboard shortcuts are also discussed.