*Valid September 30, 2024 - December 25, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
Information and Estimates: Relating to Foreign Patents (Classic Reprint)/en-ca/information-and-estimates-relating-to-foreign-patents-classic-reprint/632BD6EE-8985-461C-9DFA-EC6F0235D4C7.html632BD6EE-8985-461C-9DFA-EC6F0235D4C7
Information and Estimates Relating to Foreign Patents