| All Patents in class 414/431 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 441,411 | Nov. 25, 1890 | J. Hartness | Stock Feeding Device for Screw Machines | workpiece changers and storage mechanisms |
| 629,161 | Jul. 18, 1899 | J. Hartness | Stock Feeding Mechanism for Screw Machines | workpiece changers and storage mechanisms |
| 641,040 | Jan. 09, 1900 | C.G. Richardson | Rod Feeding Device | workpiece changers and storage mechanisms |
| 711,851 | Oct. 21, 1902 | B.M. Hanson | Feed Mechanism for Metal Working Machines | screw machines |
| 711,852 | Oct. 21, 1902 | B.M. Hanson | Feed Mechanism for Metal Working Machines | screw machines |
| 739,866 | Sep. 29, 1903 | J. Hartness | Turret Lathe | turret lathes |
| 3,038,587 | Jun. 12, 1962 | G.A. Bilocq | Log conveying apparatus | woodworking material handling machines |
