print email comment close Canadian Patents Database URL: http://brevets-patents.ic.gc.ca/opic-cipo/cpd/eng/introduction.html Description: "This database lets you access over 75 years of patent descriptions and images. You can search, retrieve and study more than 1,900,000 patent documents." Image databases go back to 1920, bibliographic descriptions back to 1869, and text of the abstracts and claims back to 1978. From the Canadian Intellectual Property Office (CIPO). Publisher: Canadian Intellectual Property Office (CIPO) Library of Congress Subject Headings: Intellectual property Patents Patents -- Canada LII Database Information: Record 13444 created by Carole Leita on 04/23/2002 Last modification on 09/30/2009 Published: 04/23/2002   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/13444