UMD Libraries' Color Plant Patent ImagesUSPTO and international patent databases (including Google Patents) have black and white plant patent images only, for the 30,000+ plant patents. Our site has color scans of over half of these as of March 2019, and also links to full text in USPTO.
NYPL color images of mostly recent plant patentsKen Johnson, Patent & Trademark Resource Center Representative at the New York PTRC (New York Public Library) has been scanning plant patent color images since about 2012
