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Patent number:
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Patents for August Charles Klopper
Patents 1 - 2 of 2
Picture
Number
Date
Patentee
Title
1,385,214
Jul. 19, 1921
A.C. Klopper
Gear Drive Socket Wrench
1,420,635
Jun. 27, 1922
A.C. Klopper
Wrench
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