For additional search resources, contact your local Patent and Trademark Depository Library , visit the USPTO Public Search Facility or the USPTO Main STIC Library. The staff in the Main STIC Library are experts on foreign patents and able to help the public as needed.

The Denver Public Library is the public library system of the City and County of Denver, Colorado. The system includes the Denver Central Library, located in the Golden Triangle district of Downtown Denver, as well as 25 branch locations and two bookmobiles.

The Denver Public Library is the public library system of the City and County of Denver, Colorado. The system includes the Denver Central Library, located in the Golden Triangle district of Downtown Denver, as well as 25 branch locations and two bookmobiles.

Any Colorado resident may obtain a free Denver Public Library Card.

Library of Congress Offers Ticketed, Timed Entry for Visitors. The Library of Congress has re-opened its doors to visitors with free but limited timed and ticketed entry for a limited number of days and times. Library-sponsored on-site public programs and public tours are not available at this time.

Any Colorado resident may obtain a free Denver Public Library Card.

The primary function of the Library of Congress is to serve the Congress. In addition, the Library provides service to government agencies, other libraries, scholars, and the general public.

1889In June 1889, City Librarian John Cotton Dana established Denver's first public library in a wing of Denver High School.

Little Free Library is a 501(c)(3) nonprofit organization that promotes neighborhood book exchanges, usually in the form of a public bookcase. More than 150,000 public book exchanges are registered with the organization and branded as Little Free Libraries.

Visit any of the District's public library locations and present a photo ID and proof of Colorado address to obtain an All Access Card.