All Patents in class 76/22 |
Patents 1 -
15
of 17
|
Number | Date | Patentee | Title | Type |
15,867 | Oct. 07, 1856 | M.D. Wipple | Cutting Round Files | files |
40,534 | Nov. 03, 1863 | T. Burr | Improvement in machines for cutting files | making files |
42,216 | Apr. 05, 1864 | W.T. Nicholson | Improvement in File Cutting Machines | tool making machines |
44,998 | Nov. 08, 1864 | E.O. Potter | Machine for cutting files | making files |
53,204 | Mar. 13, 1866 | A. Weed | Improvement in machines for cutting files | making files |
57,230 | Aug. 14, 1866 | A. Weed | Improved machine for cutting rasps | file cutting machines |
78,681 | Jun. 09, 1868 | W.T. Nicholson | Improved Machine for Cutting Files | tool making machines |
91,293 | Jun. 15, 1869 | J.B. West | Improvement in machine for cutting rasps | file cutting machines |
123,849 | Feb. 20, 1872 | A. Weed | Improvement in machines for cutting files | file cutting machines |
130,361 | Aug. 13, 1872 | G. Ames, W.T. Nicholson, S.B. Dean | Improvement in Machines for Cutting Teeth on Cylinders | file cutting machines |
141,300 | Jul. 29, 1873 | A. Weed | Improvement in file-cutting machines | file cutting machines |
209,531 | Oct. 29, 1878 | A. Weed | Improvement in file-cutting machine | file cutting machines |
323,874 | Aug. 04, 1885 | H.F. Liebmann | File-cutting machine | tool making machines |
499,620 | Jun. 13, 1893 | A. Weed | Machine for making rasps | file cutting machines |
532,123 | Jan. 08, 1895 | A. Weed | File-cutting machine | file cutting machines |