Harvey Hubbell (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Harvey Hubbell" in English language version.

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antiquesockets.com

  • "Hubbell Sockets". Antique Light Sockets. Retrieved 2010-07-10. Between 1896 and 1909 he was granted 45 patents on a wide variety of electrical products.

patents.google.com

worldstandards.eu