Information about all US patents (including utility, design, reissue, plant patents & SIR documents) from the first patent issued in 1790 onwards.
Subjects
Wed: 8:00 am-5:00 pm
Building Update
Library spaces will be closed May, June, July, and August while lobby renovation work is underway. Beginning May 4, 2026, limited in-person library services will be available in Robertson Library Annex Room 235 (click here for a map). Visit https://library.upei.ca/renovations-2026 for more details