Home›Articles›The paper bag machine, the rival patent and the evidence that won itArticleThe paper bag machine, the rival patent and the evidence that won itArticlesConnectionsSourcesComments (0)Reader Challenges (0)ConnectionsArticle OnMargaret E. Knight, Engineers Well-attested SourcesMargaret E. Knight (Wikipedia)Career, Flat-bottomed paper bag machineQuote, Career, Flat-bottomed paper bag machineKnight responded with copious evidence in the form of meticulous hand-drawn blueprints, journals, and models, and a number of witnesses who testified that she had been making drawings and models beginning in 1867.View the SourceAtlas Article Vocabularytier 1AtlasComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.