To be most effective in your search for patents you must determine how your invention works, NOT how you will use your invention.
Patent Classification is a system of codes designed to organize and index the technical content of patents.
University of Toronto Libraries
130 St. George St.,Toronto, ON, M5S 1A5
About web accessibility. Tell us about a web accessibility problem.
About online privacy and data collection.
© University of Toronto. All rights reserved.