All Patents in class 76/77 |
Patents 61 -
75
of 79
|
Number | Date | Patentee | Title | Type |
930,178 | Aug. 03, 1909 | J.P. Hedstrom | Saw-sharpening machine | saw sharpening machines |
984,669 | Feb. 21, 1911 | J.P. Hedstrom | Feed-finger for saw-sharpening machines | saw sharpening machines |
1,022,479 | Apr. 09, 1912 | J.P. Hedstrom | Rest for saw-sharpening machines | saw sharpening machines |
1,031,711 | Jul. 09, 1912 | J.P. Hedstrom | Feed-finger mechanism | saw sharpening machines |
1,097,252 | May 19, 1914 | H. Michels, F.L. Lamoreaux | Saw-filing machine | saw sharpening machines |
1,179,556 | Apr. 18, 1916 | J.F. Pribnow | Saw swaging, shaping, and grinding machine | saw swages |
1,260,974 | Mar. 26, 1918 | E.C. Filstrup | Saw Grinding Machine | saw sharpening machines |
1,551,054 | Aug. 25, 1925 | J.F. Pribnow | Saw-grinding machine | saw sharpening machines |
1,674,853 | Jun. 26, 1928 | F.E. Collier | Saw-filing machine | woodworking machine sharpening mechanisms |
1,853,245 | Apr. 12, 1932 | F.W. Wardwell, Jr. | Saw filing machine | saw sharpening machines |
2,343,171 | Feb. 29, 1944 | F.E. Collier | Jointing guide for saw filing machines | woodworking machine sharpening mechanisms |
2,483,257 | Sep. 27, 1949 | H.O. Berry | Saw setting machine | saw sharpening machines |
2,607,243 | Aug. 19, 1952 | J. McEwan | Saw sharpener | saw sharpening machines |
2,625,842 | Jan. 20, 1953 | J. McEwan | Saw sharpening machine | saw sharpening machines |
2,675,717 | Apr. 20, 1954 | S.E. Standal | Saw tooth forming and sharpening machine | saw sharpening machines |