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All Patents in class 384/487
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  1,855,193Apr. 26, 1932D.C. KlausmeyerOilproof Spindle End
  1,991,614Feb. 19, 1935T.G. Jonn, A.A. BreuerOil check for bearings
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