| All Patents in class 76/41 |
Patents 31 -
37
of 37
      |
| Number | Date | Patentee | Title | Type |
| 1,272,339 | Jul. 09, 1918 | G.C. Hunter | Machine for Sharpening Saws | saw sharpening machines |
| 1,281,512 | Oct. 15, 1918 | J.A. Carothers | Saw Grinding Machine | saw sharpening machines |
| 1,329,423 | Feb. 03, 1920 | T.W. McMiken | Saw Filer and Gummer | saw sharpening tools |
| 1,551,054 | Aug. 25, 1925 | J.F. Pribnow | Saw-grinding machine | saw sharpening machines |
| 1,771,602 | Jul. 29, 1930 | R.S. Jackson, E.P. Armstrong | Grinder for Concave Saw Teeth | saw sharpening machines |
| 2,675,717 | Apr. 20, 1954 | S.E. Standal | Saw tooth forming and sharpening machine | saw sharpening machines |
| 4,471,673 | Sep. 18, 1984 | R.K. Rosenquist | Sharpening apparatus for circular saw blades | cutter grinding |
