Henry F. Phillips (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Henry F. Phillips" in English language version.

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books.google.com

etymonline.com

patents.google.com

  • US2046837A, Phillips, Henry F., "Means for uniting a screw with a driver", issued 1936-07-07 
  • "Patent Application". Retrieved 23 November 2019.

phillips-screw.com

straightdope.com

  • Adams, Cecil (24 November 1989). "Why did this guy Phillips think we needed a new type of screw?". The Straight Dope. Retrieved 9 May 2014.

web.archive.org

wired.com