| All Patents in class 76/33 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 16,695 | Feb. 24, 1857 | L.E. Bigelow, A. Shewman, A. Robins | Saw-file | saw sharpening machines |
| 18,324 | Oct. 06, 1857 | J.S. Cole, H. Stone | Saw-filing machine | saw sharpening machines |
| 59,193 | Oct. 30, 1866 | J.W. Doubler | Improved saw-filing machine | saw sharpening machines |
| 82,047 | Sep. 08, 1868 | J.H. Van Nortwick | Improvement in saw-filing machine | saw sharpening machines |
| 226,291 | Apr. 06, 1880 | G.W. Dudley | Saw filing and setting machine | sharpening machines |
| 268,904 | Dec. 12, 1882 | H.P. Jones | Saw-filer | saw sharpening machines |
| 285,557 | Sep. 25, 1883 | J. Berton | Saw Filing and Setting Machine | saw sharpening machines |
| 630,288 | Aug. 01, 1899 | J.F. Cornish | Saw Filing Mchine | filing machines |
| 737,033 | Aug. 25, 1903 | J.D. Smith | Saw Filing Machine | |
| 845,475 | Feb. 26, 1907 | J.W. McAlpin | Saw-sharpener | saw sharpening machines |
| 1,157,890 | Oct. 26, 1915 | J. Miotke | Saw Sharpening Machine | saw sharpening machines |
| 1,264,528 | Apr. 30, 1918 | J.L. Keil | Saw Filing Machine | saw sharpening tools |
| 5,048,236 | Sep. 17, 1991 | C.C. Williams | Saw Blade Tooth Grinder for Saws | saw sharpening machines |
