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  • 21 Aug, 2019

  • By, Wikipedia

File:USPTO Telephone Patent No. 174465.jpg

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Date/TimeThumbnailDimensionsUserComment
current19:58, 8 May 2012Thumbnail for version as of 19:58, 8 May 2012415 × 622 (241 KB)HarryzilberUploaded a higher resolution image of the same document; located via TinEye.
15:56, 2 December 2010Thumbnail for version as of 15:56, 2 December 2010415 × 622 (241 KB)Harryzilber{{Information |Description={{en|1=An image of the master telephone patent awarded to Alexander Graham Bell. The patent was arguably the most valuable one every awarded in history.}} |Source=Image provided from this historical

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