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A patent to Pavel Yablochkov for an arc lamp | 🗓️ On March 23, 1876, France issued a patent to Pavel Yablochkov for an arc lamp he invented. A number of other
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This Day in Patent History - On January 27, 1880, Thomas A. Edison received a patent for"an electric lamp for giving light by incandescence" - Patent Yogi LLC
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Patent drawing - for T. A. Edison's Incandescing Electric Lamp Public domain image - PICRYL - Public Domain Media Search Engine Public Domain Search
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Thomas Edison's Patent Application for the Light Bulb (1880) and Resource Materials | PBS LearningMedia
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