File:Morgan signal.jpg

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Patent drawing for Garrett A. Morgan's traffic signal, US patent 1,475,024, Nov. 20 1923. Retrieved directly from the US Patent and Trademark Office. Copyright law (17 U.S.C. § 105) states that all materials created by the United States government are in the public domain.

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U.S. patent 1,475,024

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Date/TimeThumbnailDimensionsUserComment
current23:32, 7 July 2007Thumbnail for version as of 23:32, 7 July 2007825 × 1,368 (157 KB)Jeeny (talk | contribs)Oops, and straighten
23:30, 7 July 2007Thumbnail for version as of 23:30, 7 July 2007849 × 1,389 (171 KB)Jeeny (talk | contribs)cropped extra white space
15:25, 20 February 2007Thumbnail for version as of 15:25, 20 February 2007938 × 1,481 (226 KB)Clevelander96 (talk | contribs)Patent drawing for Garrett A. Morgan's traffic signal, US patent 1,475,024, Nov. 20 1923. Retrieved directly from the US Patent and Trademark Office. Copyright law (17 U.S.C. § 105) states that all materials created by the United States government are i
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