| All Patents in class 74/625 |
Patents 1 -
10
of 70
      |
| Picture | Number | Date | Patentee | Title |
| | 142,494 | Sep. 02, 1873 | F.B. Miles | Automatically Operating Shafts |
 | 151,912 | Jun. 09, 1874 | F.E. Reed | Improvement in Metal-Drilling Machines |
| | 287,326 | Oct. 23, 1883 | J. Richards | Drilling-machine |
 | 287,366 | Oct. 23, 1883 | T.J. Currier, F.T. Currier | Drilling-machine |
| | 303,073 | Aug. 05, 1884 | H. Thompson | Drilling-machine |
 | 307,710 | Nov. 04, 1884 | F.J. Dubrul | Drilling-machine |
| | 315,049 | Apr. 07, 1885 | T. McFarlan, H.E. Nottingham | Drilling-machine |
 | 331,075 | Nov. 24, 1885 | F.B. Miles | Drilling-machine |
 | 335,184 | Feb. 02, 1886 | W. Evans | Drilling-machine |
 | 340,615 | Apr. 27, 1886 | A.F. Prentice | Drilling-machine |
