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All Patents of Type: pencil sharpeners
Patents 1 - 6 of 6
First set of recordsLast set of records
174,777Mar. 14, 1876A.G. BuzbyPencil Sharpenerpencil sharpeners
593,093Nov. 02, 1897H.A. GuhlApparatus for Sharpening Pencilspencil sharpeners
597,643Jan. 18, 1898W.F. GarrettPencil Sharpenerpencil sharpeners
700,071May 13, 1902E.L. McDivittPencil Sharpenerpencil sharpeners
755,917Mar. 29, 1904E.L. McDivittPencil Sharpenerpencil sharpeners
1,330,105Feb. 10, 1920W.A. WhitneyPencil Sharpenerpencil sharpeners
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