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Patents for George A. Gray
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
401,267Apr. 09, 1889G.A. GrayMetal Planing Machine
419,437Jan. 14, 1890G.A. GrayMetal Planing Machine
  447,820Mar. 10, 1891G.A. GrayMetal Planing Machine
597,355Jan. 11, 1898G.A. Gray, E. RichterFeed for metal-planers
597,356Jan. 11, 1898G.A. Gray, E. RichterFeed for metal-planers
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