The Oklahoma State University Library has been a Patent and Trademark Depository Library since 1956. We are housed in the main University Library and are part of the Government Documents Department, a regional depository for federal government documents.
Researchers/inventors make appointments with us to work one-on-one, and we have many contacts by phone. Our website includes most of our service information and links to information for inventors at USPTO: http://www.library.okstate.edu/patents/. The How to Conduct a Preliminary U.S. Continue reading

