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Patents for Walter F. Klein
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
1,772,723Aug. 12, 1930W.F. KleinMethod Of Making Socket Wrenches
1,790,238Jan. 27, 1931W.F. KleinSocket Connection
1,827,202Oct. 13, 1931W.F. KleinRatchet Wrench
1,958,705May 15, 1934W.F. KleinApparatus for Thin Wall Broaching
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