| All Patents in class 76/31 |
Patents 31 -
45
of 96
      |
| Number | Date | Patentee | Title | Type |
| 87,289 | Feb. 23, 1869 | G.W. Rathbun | Improvement in machine for filing saws | saw sharpening machines |
| 88,893 | Apr. 13, 1869 | C.G. Miller | Improvement in saw-filing machines | saw sharpening machines |
| 90,125 | May 18, 1869 | H.O. Silver, G. Robinson | Improvement in saw-filing machine | saw sharpening machines |
| 90,207 | May 18, 1869 | A. Thompson | Improvement in saw-filing machines | saw sharpening machines |
| 90,784 | Jun. 01, 1869 | W. Roberts | Improved saw-file | files |
| 92,266 | Jul. 06, 1869 | C.P. Case | Improvement in saw-filing machines | saw sharpening machines |
| 95,871 | Oct. 19, 1869 | H.C. Bell | Improvement in saw-filing machine | saw sharpening machines |
| 96,078 | Oct. 26, 1869 | L.N. Borem | Improvement in machine for sharpening saws | saw sharpening machines |
| 98,447 | Dec. 28, 1869 | O. Tyson | Improvement in gauge for filing saws | saw gauges |
| 103,529 | May 24, 1870 | G.Z. Vanderslice, B.L. Churchill | Improvement in saw-filing machines | saw sharpening machines |
| 114,824 | May 16, 1871 | A. Hyland | Improvement in files | files |
| 119,947 | Oct. 17, 1871 | I.N. Patten | Improvement in files | files |
| 120,773 | Nov. 07, 1871 | J.A. Rau | Improvement in saw-filers | saw vises |
| 122,929 | Jan. 23, 1872 | S.K. Wilsey | Improvement in machines for filing saws | saw sharpening machines |
| 127,462 | Jun. 04, 1872 | T.M. Chapman | Improvement in saw-filing machines | saw sharpening machines |
