| All Patents in class 226/187 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 467,098 | Jan. 12, 1892 | J. Hartness | Stock Feeding Device 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 |
| 2,568,524 | Sep. 18, 1951 | J. Verderber | Precision Measuring Device | measurement gauges |
