Patents for Claude William Harris |
Patents 1 -
5
of 5
      |
Picture | Number | Date | Patentee | Title |
 | GB-113,003 | Feb. 07, 1918 | C.W. Harris | Improvements in the die-heads of screw-cutting machines |
 | FR-495,686 | Oct. 15, 1919 | C.W. Harris | Rotary die arrangement for threading machines |
 | GB-141,104 | Mar. 30, 1920 | C.W. Harris | Improvements in the die-heads of screw-cutting machines |
 | GB-147,292 | Jul. 19, 1920 | C.W. Harris | Improvements in the die-heads of screw-cutting machines |
 | FR-513,913 | Feb. 26, 1921 | C.W. Harris | Improvements to threading machine die holders |