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All Patents in class 254/293
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  710,954Oct. 14, 1902H.N. CovellDrum-reversing device for winding-engines
972,831Oct. 18, 1910W.A. Gilchrist, J.H. DickinsonLogging system
1,825,359Sep. 29, 1931R.E. ManleyLight wrecking crane
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