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All Patents in class 116/304
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  2,880,643Apr. 07, 1959K.C. Allen, E.A. ReussenzehnComputing scale
  2,906,233Sep. 29, 1959H. Goldberg, E.A. ReussenzehnComputing scale
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