| All Patents in class 408/135 |
Patents 16 -
30
of 74
      |
| Number | Date | Patentee | Title | Type |
| 465,892 | Dec. 29, 1891 | T.L. Smith | Feed Connection for Drill Presses and Other Machines | metalworking machine mechanisms |
| 506,342 | Oct. 10, 1893 | M.F. Smith | Metal Cutting and Working Machine | |
| 542,695 | Jul. 16, 1895 | F.W. Hoefer, D.C. Stover | Variable-speed sensitive drill press | drill presses |
| 543,395 | Jul. 23, 1895 | A. Mill | Drilling-machine | drill presses |
| 583,883 | Jun. 08, 1897 | G.R. Baldwin | Tapping Machine | tapping machines |
| 635,888 | Oct. 31, 1899 | J. Hartness | Turret Lathe | turret lathes |
| 679,672 | Jul. 30, 1901 | W. Herman | Drilling-machine | radial drill presses |
| 742,291 | Oct. 27, 1903 | L.H. Colburn | Upright Tapping and Boring Machine | drill presses |
| 766,883 | Aug. 09, 1904 | E.A. Hoefer, A.G. Hoefer, F.W. Hoefer | Drilling Machine | drill presses |
| 1,005,187 | Oct. 10, 1911 | K.L. Frazer | Drilling-machine | specialty woodworking machines |
| 1,017,635 | Feb. 13, 1912 | L.H. Colburn | Automatic Tripping Device for the Feed Mechanism of Machine Tools | metalworking machine mechanisms |
| 1,032,408 | Jul. 16, 1912 | M. Himoff | Radial drill-press | radial drill presses |
| 1,043,724 | Nov. 05, 1912 | A.W. Redin | Drilling-machine | drill presses |
| 1,063,665 | Jun. 03, 1913 | H. Dreses, E.J. Spaeth | Automatic tool stop | drill presses |
| 1,173,574 | Feb. 29, 1916 | G.D. Hayden | Automatic screw-machine | screw machines |
