The USPTO Patents page contains information on the patent process, U.S. patent statistics, and patent-related resources and guidance.

U.S.-issued patents and published patent applications available for searching and display.

Help for installing browser plug-ins to view .pdf images of patents on the USPTO database.

USPTO page with the latest information and updates on systems for classifying patents.

The USPTO administers a network of public, state and academic libraries designated as Patent and Trademark Resource Centers to disseminate patent and trademark information, and to support the intellectual property needs of the public.

The Detroit Public Library is one of four Michigan libraries designated as Patent & Trademark Resource Centers. Instruction on patent searching and information on the patent application process is available through the DPL Business, Science & Technology Department, (313) 481-1391.