Patent of the Month: Illuminating-Devices for Christmas Trees
Happy Holidays!
Illuminating-Devices for Christmas Trees, Patent 194421, August 21, 1877. Records of the Patent and Trademark Office. National Archives and Records Administration (Page 1)
Illuminating-Devices for Christmas Trees, Patent 194421, August 21, 1877. Records of the Patent and Trademark Office. National Archives and Records Administration (Page 2)
Illuminating-Devices for Christmas Trees, Patent 194421, August 21, 1877. Records of the Patent and Trademark Office. National Archives and Records Administration (Page 3)… [ Read all ]
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