The PTDL is a free service to library patrons. The PTDL also has paper volumes of the Official Gazette from the 1880s to present for quick searching. These should be scheduled in advance to avoid conflicts.
Full instruction is provided in using the various PTDL resources.
You should allow about 30 minutes for training time apart from the search itself. Please be advised that a preliminary patent search is an involved process and potentially takes many hours to complete. Trade names and images can be searched on the website. The patron is responsible for all judgments and opinions regarding possible conflicts with prior art. Library staff cannot and will not render legal opinions on patentability of ideas or the likelihood of confusion regarding existing marks.