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Patent number:
Patent Date:
Patents for Frank G. Radelfinger
Patents 1 - 2 of 2
Picture
Number
Date
Patentee
Title
716,170
Dec. 16, 1902
C.H. Barnes
Bevel Protractor
724,959
Apr. 07, 1903
E.S. Shimer
Expansion cutter-head
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