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Drafting Implement

Description: Patent for drafting implement, for laying out or plotting curves of different degrees and combining the functions of a plurality of implements into a single implement.
Date: January 3, 1922
Creator: Tanner, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Copy Holder

Description: Patent for a copy holder for use while typewriting. Illustrations included.
Date: January 3, 1911
Creator: Ireland, Ward S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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