Great Lakes Patent & Trademark Resource Center @ DPL

The Detroit Public Library is a Patent and Trademark Resource Center (PTRC),

supported by the United States Patent and Trademark Office (USPTO).  Specialized reference services relating to patents, trademarks and copyright are provided by highly trained and knowledgeable librarians.  In addition, the Library's business section is of great help for those who seek to market their inventions, products or services.  All services are free and available to the public.  Book and material checkout, however, is subject to DPL circulation rules.

Library Hours

Sunday
07-17
CLOSED
Monday
07-18
10 00 am - 8 30 pm
Tuesday
07-19
10 00 am - 8 30 pm
Wednesday
07-20
10 00 am - 8 30 pm
Thursday
07-21
10 00 am - 8 30 pm
Friday
07-22
10 00 am - 5 00 pm
Saturday
07-23
10 00 am - 5 00 pm