| All Patents in class 76/41 |
Patents 16 -
30
of 37
      |
| Number | Date | Patentee | Title | Type |
| 612,698 | Oct. 18, 1898 | O.B. Bolton | Bandsaw-grinder | saw sharpening machines |
| 615,152 | Nov. 29, 1898 | L.L. Filstrup | Saw-sharpening machine | saw sharpening machines |
| RE11,733 | Apr. 11, 1899 | L.L. Filstrup | Saw-sharpening machine | saw sharpening machines |
| 626,436 | Jun. 06, 1899 | E. Mills | Grinding Machine | tool grinders |
| 628,655 | Jul. 11, 1899 | L.L. Filstrup | Saw-sharpening machine | saw sharpening machines |
| 654,844 | Jul. 31, 1900 | H.P. Schofield | Saw-sharpening machine | saw sharpening machines |
| 667,321 | Feb. 05, 1901 | M.L. Keyes | Edge Tool Grinder | sharpening machines |
| 667,924 | Feb. 12, 1901 | H.P. Schofield, L.L. Filstrup | Saw-sharpening machine | saw sharpening machines |
| 755,319 | Mar. 22, 1904 | H.P. Schofield | Saw-sharpening machine | saw sharpening machines |
| 867,723 | Oct. 08, 1907 | J.P. Hedstrom | Machine for sharpening saw-teeth | saw sharpening machines |
| 908,304 | Dec. 29, 1908 | J.H. Miner | Saw-grinding machine | saw sharpening machines |
| 930,178 | Aug. 03, 1909 | J.P. Hedstrom | Saw-sharpening machine | saw sharpening machines |
| 1,040,905 | Oct. 08, 1912 | R.B. Dow | Saw forming and sharpening machine | sharpening machines |
| 1,256,782 | Feb. 19, 1918 | J.G. Foster | Automatic Saw Sharpener | saw sharpening machines |
| 1,264,528 | Apr. 30, 1918 | J.L. Keil | Saw Filing Machine | saw sharpening tools |
