| All Patents in class 74/840 |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 328,966 | Oct. 27, 1885 | L.G. McKnight, H.C. Knowlton | Boring-machine | chair maker |
| 366,366 | Jul. 12, 1887 | J. Bailey | Drilling-machine | drill presses |
| 517,298 | Mar. 27, 1894 | L. Reichert | Drilling Machine | glass drills |
| 680,724 | Aug. 20, 1901 | W.W. Holmes, J. McCarthy, F.W. Mussetter | Duplex Centering Machine | center drilling machines |
| 863,137 | Aug. 13, 1907 | W.J. Bayrer | Drill-press | drill presses |
| 905,898 | Dec. 08, 1908 | C.A. Hammar, F.E. Marble | Tool Holder | tool holders |
| 1,115,659 | Nov. 03, 1914 | A.A. Geck | Drill Press | drill presses |
| 1,935,983 | Nov. 21, 1933 | P.X. Noel | Rivet spinning machine | riveting machines |
| 2,441,414 | May 11, 1948 | G. Hohwart, E.F. Hohwart, P.A. Smith | Drill press | drill presses |
