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Patents for Greig S. Butterworth
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  2,949,708Aug. 23, 1960G.S. Butterworth, J.G. WiattGage Head for In-Process Gaging in Machine Tool
  2,950,581Aug. 30, 1960G.S. ButterworthGaging Device
  3,037,332Jun. 05, 1962G.S. Butterworth, J.G. WiattMachine Tool Sizing Device
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