Patents Granted on 1939-01-31 |
Patents 1 -
5
of 5
      |
Number | Date | Patentee | Title | Type |
GB-499,888 | Jan. 31, 1939 | . | Improvements in or Relating to Work-Feed Mechanism for Screw and Similar Machines | screw machines |
GB-499,945 | Jan. 31, 1939 | H.W. Kearns | Improvements in combined surfacing and boring machines | horizontal boring mills |
2,145,255 | Jan. 31, 1939 | A.G. Ericson, B.R. Granberg | Brake mechanism | |
2,145,568 | Jan. 31, 1939 | J.J. Faber | Shingle mill | shingle machines |
2,145,793 | Jan. 31, 1939 | E.S. Hineline | Camera Structure Particularly for Color Separation | cameras |