| All Patents in class 76/77 |
Patents 16 -
30
of 79
      |
| Number | Date | Patentee | Title | Type |
| 207,919 | Sep. 10, 1878 | W.H. Walsh | Gin Saw Sharpener | saw sharpening machines |
| 213,158 | Mar. 11, 1879 | P. Armstrong | Gin Saw Sharpener | saw sharpening machines |
| 215,267 | May 13, 1879 | M. Covel | Saw Sharpening Machine | saw sharpening machines |
| 222,386 | Dec. 09, 1879 | W.L. Covel | Improvement in saw-sharpening machines | saw sharpening machines |
| 246,583 | Aug. 30, 1881 | A.A. Wood | Machine for filing gin-saws | saw sharpening machines |
| 254,869 | Mar. 14, 1882 | W.H. Halladay | Saw-sharpening machine | saw sharpening machines |
| RE10,099 | May 02, 1882 | M. Covel | Saw-sharpening machine | saw sharpening machines |
| 257,201 | May 02, 1882 | G. Amesbury | Saw setting machine | saw sets |
| RE10,252 | Dec. 05, 1882 | W.L. Covel | Saw-sharpening | saw sharpening machines |
| 290,031 | Dec. 11, 1883 | A.P. Gathright | Machine for Sharpening Gin Saws | saw sharpening machines |
| 319,794 | Jun. 09, 1885 | M. Covel | Saw sharpening machine | saw sharpening machines |
| 330,399 | Nov. 17, 1885 | J.E. Mills, F. Herhold | Saw Gummer | saw gummers |
| 338,161 | Mar. 16, 1886 | G.W. Bugbee, F. Danner | Saw-set | saw sets |
| 339,576 | Apr. 06, 1886 | L.O. Orton | Machine for sharpening saws | saw sharpening machines |
| 345,121 | Jul. 06, 1886 | M. Covel | Saw Swaging Machine | saw swages |
