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2 220,489 door or frame, the two legs being joined by I my OWn 1 affix my signature in presence of a rib or feather of metal placed lengthwise of two witnesses. thereof and between their side edges, and I OBERT C. MORRIS. adapted to enter a kerf or slit cut in the cor- ner of the door or frame, substantially as alndt Witnesses: for the purpose set forth. I (_ 3. (:ONNELL, In testimony that I claim the foregoing as II. 1. 31cLANE.
Morris, Robert C. & McLane, Hiram H.Improvement in Angle-Plates for Doors.,
patent,
October 14, 1879;
Washington D.C..
(https://texashistory.unt.edu/ark:/67531/metapth169903/m1/3/:
accessed July 18, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.;
crediting UNT Libraries Government Documents Department.