पटिमा:Yoyo patent 1866.png

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Summary

Description detail from 'Whirligig'; U.S. patent #59745, 1866 (first U.S. yo-yo patent)
Date
Source US Patent US59745A
Author

James L. Haven

Later versions were uploaded by Berkut at en.wikipedia.

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A portion of the disclosure of this patent document contains material which is subject to (copyright or mask work) protection. The (copyright or mask work) owner has no objection to the facsimile reproduction by any­one of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all (copyright or mask work) rights whatsoever.

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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2004-12-05 09:15 Berkut 395×669×8 (24654 bytes) cleanup
  • 2004-05-15 21:02 Popefauvexxiii 395×669×8 (33913 bytes) detail from 'Whirligig'; U.S. patent #59745, 1866 (first U.S. yo-yo patent) {{msg:PD}}

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२० नवम्बर 1866Gregorian

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current०९:५७, ४ जून २०२०Thumbnail for version as of ०९:५७, ४ जून २०२०७,१९२ × १२,४३३ (४९४ KB)Sette-quattrohigher quality
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