File:Morgan signal.jpg

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Morgan_signal.jpg(380 × 600 pixels, file size: 30 KB, MIME type: image/jpeg)

Summary

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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File history

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Date/TimeThumbnailDimensionsUserComment
current20:45, 11 May 2007Thumbnail for version as of 20:45, 11 May 2007380 × 600 (30 KB)Russell Potter (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 in the public domain.
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