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All Patents in class 277/402
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  2,881,015Apr. 07, 1959E.C. WahlShaft Seal Means and Method
  3,120,959Feb. 11, 1964R.H. Andresen, H. JensenUnitized Face Type Rotary Seal
  3,138,390Jun. 23, 1964H. JensenRotary Seal With Annular Bead
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