| All Patents in class 74/817 |
Patents 16 -
30
of 42
      |
| Number | Date | Patentee | Title | Type |
| 635,887 | Oct. 31, 1899 | J. Hartness | Turret Lathe | turret lathes |
| 644,310 | Feb. 27, 1900 | F. Harrington, L.C. Woerner | Multiple Spindle Screw Machine | screw machines |
| 657,241 | Sep. 04, 1900 | J. Jetter | Device for Automatically Clamping and Locking Turrets to Slides of Screw Machines | metalworking machine mechanisms |
| 657,306 | Sep. 04, 1900 | G.W. Drake, G.C. Bardons | Turret Lathe | turret lathes |
| 667,512 | Feb. 05, 1901 | C.H. Field | Gear Cutting Engine | gear making machines |
| 670,838 | Mar. 26, 1901 | D.B. Bullard | Turret-Lathe | turret lathes |
| 678,337 | Jul. 09, 1901 | J.E. Gleason, W. Gleason | Gear Planer | gear making machines |
| 731,870 | Jun. 23, 1903 | F.G. Echols | Indexing Mechanism | |
| 766,245 | Aug. 02, 1904 | F. Hardinge | Automatic gear cutting machine | gear making machines |
| 887,985 | May 19, 1908 | L.H. Vold | Turret Tool Rest | turret lathes |
| 966,816 | Aug. 09, 1910 | F. Fischer | Boring machine | drilling and boring |
| 1,140,299 | May 18, 1915 | C.M. Conradson | Automatic Multiple Spindle Lathe | multiple spindle lathes |
| 1,406,339 | Feb. 14, 1922 | B.T. Browand | Tool Holder | lathe tool holders and tool posts |
| 1,507,381 | Sep. 02, 1924 | W. Jannell | Commutator-slotting machine | electric motor making |
| 1,551,039 | Aug. 25, 1925 | I. Magem | Multiple Tool Holder for Lathes | lathe tool holders and tool posts |
