| Patents for James Hartness |
Patents 61 -
75
of 94
      |
| Number | Date | Patentee | Title | Type |
| 1,020,495 | Mar. 19, 1912 | J. Hartness | Metal Turning Tool | lathe tools |
| 1,036,101 | Aug. 20, 1912 | J. Hartness | Metal Turning Tool | lathe tools |
| 1,036,102 | Aug. 20, 1912 | J. Hartness | Chip Controlling Means for Metal-Cutting Tools | lathe tools |
| 1,036,103 | Aug. 20, 1912 | J. Hartness | Chip Controller for Metal Turning Tools | lathe tools |
| 1,036,104 | Aug. 20, 1912 | J. Hartness | Taper Turning Mechanism | metal lathe accessories and attachments |
| 1,036,105 | Aug. 20, 1912 | J. Hartness | Work Holder for Metal Turning Machines | metal lathe chucks |
| 1,036,106 | Aug. 20, 1912 | J. Hartness | Stop Mechanism for Metal Working Machines | metalworking machine mechanisms |
| 1,054,840 | Mar. 04, 1913 | J. Hartness | Metal Turning Tool | lathe tools |
| 1,056,097 | Mar. 18, 1913 | J. Hartness | Turning Tool | lathe tools |
| 1,056,332 | Mar. 18, 1913 | J. Hartness, G.A. Perry | Turret-lathe | turret lathes |
| 1,063,680 | Jun. 03, 1913 | J. Hartness | Cutter for Metal Turning Tools | lathe tools |
| 1,063,681 | Jun. 03, 1913 | J. Hartness | Metal Working Machine | multiple spindle lathes |
| 1,063,682 | Jun. 03, 1913 | J. Hartness | Lathe | turret lathes |
| 1,077,470 | Nov. 04, 1913 | J. Hartness | Chuck | metal lathe chucks |
| 1,082,590 | Dec. 30, 1913 | J. Hartness | Chuck | metal lathe chucks |
