| All Patents in class 76/36 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 2,011 | Mar. 18, 1841 | N.J. Wemmer | Apparatus for filing saws | saw sharpening tools |
| 58,151 | Sep. 18, 1866 | A. Sweetland | Improvement in saw-filing machines | saw sharpening machines |
| 60,237 | Dec. 04, 1866 | M.M. Pettes | Improved machine for filing saw-teeth | saw sharpening machines |
| 70,424 | Nov. 05, 1867 | H. Disston | Improved Device for Sharpening Saw Teeth | saw sharpening tools |
| 73,238 | Jan. 14, 1868 | H. Disston | Improvement in circular saws | saw teeth |
| 82,240 | Sep. 15, 1868 | A.M. Newman | Improvement in saw-sharpening device | saw sharpening tools |
| 87,381 | Mar. 02, 1869 | W.G. Tuttle | Improvement in file for gauging the teeth of cross-cut saws | saw gauges |
| 117,677 | Aug. 01, 1871 | D. Pfouts | Improvement in File Handles | |
| 144,522 | Nov. 11, 1873 | J.J. Engelman | Improvement in saw-filing machines | saw sharpening machines |
| 176,923 | May 02, 1876 | P. Bird | Improvement in saw-sharpeners | saw sharpening machines |
| 193,209 | Jul. 17, 1877 | G.W. Atkins | Improvement in Saw-Sharpener and Tooth-Gage | saw gauges |
| 372,456 | Nov. 01, 1887 | W. Cook | Saw-Filing Attachment | saw gauges |
| 603,909 | May 10, 1898 | P. Lord | Saw-File | files |
| 891,807 | Jun. 23, 1908 | R.S. Brown | File clamp and guide | saw sharpening tools |
| 1,039,602 | Sep. 24, 1912 | J.W. Slingsby, J. Slingsby | Saw-filing devices | saw sharpening tools |
