File:Twistgrip Patent US765138.png

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Description Twistgrip - Patent Drawing
Date
Source https://www.google.co.in/patents/US765138
Author Carl O. Hedstrom
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Public domain The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)

The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.

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Date/TimeThumbnailDimensionsUserComment
current18:16, 17 February 2015Thumbnail for version as of 18:16, 17 February 20151,660 × 2,476 (131 KB)MichaelFrey (talk | contribs)Crop
18:14, 17 February 2015Thumbnail for version as of 18:14, 17 February 20152,320 × 3,408 (106 KB)MichaelFrey (talk | contribs){{Information |Description=Twistgrip - Patent Drawing |Source=https://www.google.co.in/patents/US765138 |Date=1903-08-04 |Author=Carl O. Hedstrom |Permission={{PD-US-patent-no notice}} |other_versions= }}

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