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 U.S. government documents. The website for the PTRCA in Stillwater includes most of our service information and links to information for inventors: https://info.library.okstate.edu/patent-and-trademark-resource-center
I am working with inventors and students primarily by phone and email, assisting them in locating several relevant patents in Google Patents and then searching the related CPC and U.S. Continue reading