All Patents in class 76/50 |
Patents 1 -
9
of 9
      |
Number | Date | Patentee | Title | Type |
18,017 | Aug. 18, 1857 | P. Maltby | Machine for dressing saws | saw sharpening machines |
41,419 | Feb. 02, 1864 | J.G. Baker | Improvement in Grinding Saws | tool making machines |
42,124 | Mar. 29, 1864 | L.B. Southworth | Improvement in jointing and burring saws | saw sharpening machines |
54,813 | May 15, 1866 | J.G. Baker | Improvement in Saw Grinding Machines | tool making machines |
162,392 | Apr. 20, 1875 | J.L. Knowlton | Improvement in saw-sharpening machines | saw sharpening machines |
313,581 | Mar. 10, 1885 | H. Fairbrother | Machine for Dressing Saw Teeth | saw sharpening machines |
380,089 | Mar. 27, 1888 | J. Hanson, C.E. Cleveland | Side dresser for saws | saw sets |
523,882 | Jul. 31, 1894 | M. Covel | Saw Dressing Machine | saw sharpening tools |
2,785,591 | Mar. 19, 1957 | V.H. Hildebrant | Saw grinding machine | woodworking machine sharpening mechanisms |