| All Patents in class 408/100 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 366,366 | Jul. 12, 1887 | J. Bailey | Drilling-machine |
| | 450,402 | Apr. 14, 1891 | E.A. Corliss, administratrix, G.H. Corliss, deceased (estate of) | Machines for Boring the Valve-Boxes of Cylinders of Steam Engines |
 | 458,581 | Sep. 01, 1891 | A.E. Johnson | Drill-press |
 | 525,742 | Sep. 11, 1894 | N. Remmel | Drilling-machine |
 | 659,636 | Oct. 16, 1900 | B.F. Barnes | Drilling-machine |
| | 766,883 | Aug. 09, 1904 | E.A. Hoefer, A.G. Hoefer, F.W. Hoefer | Drilling Machine |
 | 1,011,098 | Dec. 05, 1911 | W.H. Washburn | Boring-machine |
| | 1,338,752 | May 04, 1920 | A.M. Sosa | Drilling Machinery |
 | 1,748,556 | Feb. 25, 1930 | E.J. McKnight | Boring machine |
 | 2,816,462 | Dec. 17, 1957 | S.M. Babbitt | Precision boring machine |
