Patents for Frederick J. Dole |
Patents 1 -
10
of 12
      |
Picture | Number | Date | Patentee | Title |
 | 525,311 | Aug. 28, 1894 | C.E. Billings | Hand Vise |
 | 527,907 | Oct. 23, 1894 | W.W. Tucker | Manufacturing bicycle hubs |
 | 531,817 | Jan. 01, 1895 | H.C. Warren | Precision-index |
 | 551,064 | Dec. 10, 1895 | C.C. Tyler | Milling-cutter |
 | 551,065 | Dec. 10, 1895 | C.C. Tyler | Involute-curve-shaping machine |
 | 559,011 | Apr. 28, 1896 | H.C. Warren | Machine for making spur gears |
 | 574,535 | Jan. 05, 1897 | C.L. Grohmann | Gas Engine |
 | 605,983 | Jun. 21, 1898 | H.C. Warren | Gear-tooth-generating machines |
 | 681,098 | Aug. 20, 1901 | R.S. Brown | Tool-rack |
 | 874,035 | Dec. 17, 1907 | G.G. Prentice | Multiple-spindle automatic turret-machine |