| All Patents in class 76/43 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 78,995 | Jun. 16, 1868 | B.P. Pendexter | Improvement in machine for sharpening saws | saw sharpening machines |
| 104,830 | Jun. 28, 1870 | W. Clemson | Machine for grinding saw-teeth | saw sharpening machines |
| 112,838 | Mar. 21, 1871 | J.L. Otis | Improvement in machines for grinding saw-teeth | saw sharpening machines |
| 172,092 | Jan. 11, 1876 | W.L. Covel | Improvement in saw-sharpening machines | saw sharpening machines |
| 204,402 | May 28, 1878 | W.M. Watson | Improvement in saw-sharpeners | saw sharpening machines |
| 222,386 | Dec. 09, 1879 | W.L. Covel | Improvement in saw-sharpening machines | saw sharpening machines |
| RE10,252 | Dec. 05, 1882 | W.L. Covel | Saw-sharpening | saw sharpening machines |
| 330,399 | Nov. 17, 1885 | J.E. Mills, F. Herhold | Saw Gummer | saw gummers |
| 630,551 | Aug. 08, 1899 | J. McCarthy | Automatic Saw Grinding Machine | saw sharpening machines |
| 928,332 | Jul. 20, 1909 | G.H. Robinson | Saw-sharpening machine | saw sharpening machines |
| 1,768,996 | Jul. 01, 1930 | c.E. Ransom | Saw grinder | saw sharpening machines |
| 2,318,456 | May 04, 1943 | A.N. Blum | Cutting chain sharpener | bench or pedestal grinders |
| 2,353,956 | Jul. 18, 1944 | L.W. Enholm | Sharpener for mortise chain cutters | cutter grinding |
| 2,535,439 | Dec. 26, 1950 | J. McEwan | Saw sharpener | saw sharpening machines |
| 2,646,697 | Jul. 28, 1953 | W.B. Sanford, C.A. Phillips | Saw sharpener | saw sharpening machines |
