| All Patents in class 76/31 |
Patents 1 -
15
of 97
      |
| Number | Date | Patentee | Title | Type |
| 76 | Nov. 08, 1836 | E. Stoker | Machine for filing saw-teeth | saw sharpening machines |
| 801 | Jun. 21, 1838 | J.S. Harris | Machine for filing handsaws | saw sharpening machines |
| 3,927 | Feb. 24, 1845 | J. Arndt | Machine for filing saws | saw sharpening machines |
| 5,249 | Aug. 21, 1847 | C. Laffertey | Machinery for setting and filing saws | saw sharpening machines |
| AI85 | Jan. 25, 1848 | C. Laffertey | Sharpening reciprocating saws | saw sharpening machines |
| 6,015 | Jan. 09, 1849 | P. Norton, F.D. Cottle | Machine for filing saws | saw sharpening machines |
| 6,858 | Nov. 06, 1849 | J.B. Woodruff, B.M. Townsend | File-supporter | saw sharpening machines |
| 8,113 | May 27, 1851 | G.W. Putnam | Vise-jaw for saw-filing machinery | saw sharpening machines |
| 11,033 | Jun. 06, 1854 | J. Sheffield | Apparatus for filing mill-saws | saw sharpening machines |
| 15,940 | Oct. 21, 1856 | H.R. Howlett | Filing and setting saws | saw sharpening machines |
| 16,521 | Feb. 03, 1857 | A.M. Beardsley | Filing saws | saw sharpening machines |
| 17,774 | Jul. 14, 1857 | E. Andrews | Machine for gaging and filing saws | saw sharpening machines |
| 18,017 | Aug. 18, 1857 | P. Maltby | Machine for dressing saws | saw sharpening machines |
| 18,114 | Sep. 01, 1857 | J.N. Wilkins | Machine for planing saw-teeth | saw sharpening machines |
| 18,224 | Sep. 15, 1857 | J.J. Near | Saw-filer | saw sharpening machines |
