| Patents for James Hartness |
Patents 1 -
10
of 94
      |
| Picture | Number | Date | Patentee | Title |
 | 392,425 | Nov. 06, 1888 | J.J. Tower, J. Hartness | Carpenter's Plane |
| | 409,786 | Aug. 27, 1889 | J. Hartness | Turret Lathe Having a Supplemental Drill Spindle |
| | 412,027 | Oct. 01, 1889 | E.F. Spaulding, J. Hartness | Lathe Chuck |
| | 424,979 | Apr. 08, 1890 | J. Hartness | Screw Machine Tool |
| | 431,809 | Jul. 08, 1890 | J. Hartness | Attachment for Metal Screw Machines |
| | 441,411 | Nov. 25, 1890 | J. Hartness | Stock Feeding Device for Screw Machines |
| | 451,711 | May 05, 1891 | J. Hartness | Chuck |
| | 457,967 | Aug. 18, 1891 | J. Hartness | Machine for Making Screws |
| | 467,097 | Jan. 12, 1892 | J. Hartness | Belt Shipper |
| | 467,098 | Jan. 12, 1892 | J. Hartness | Stock Feeding Device for Screw Machines |
