| Patents for Thomas Philip Chatwin |
Patents 1 -
4
of 4
      |
| Number | Date | Patentee | Title | Type |
| GB-190,908,274 | Mar. 24, 1910 | A. Chatwin, J. Chatwin, T. Chatwin, T.P. Chatwin, J. Virtue | Improvements in and relating to die heads of screwing machines | metal threading machines |
| 996,311 | Jun. 27, 1911 | T. Chatwin, T.P. Chatwin, J. Virtue | Die-head of screwing-machines | metal threading machines |
| GB-191,323,781 | Oct. 21, 1914 | T.P. Chatwin | Improvements in and relating to die heads for screwing machines, chucks and analogous articles | metal threading machines |
| GB-289,627 | May 03, 1928 | T.P. Chatwin, A.H. Handford | Improvements in and relating to screwing machines | metal threading machines |
