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Patent number:
Patent Date:
Patents for Wm. O. Carlson
Patents 1 - 2 of 2
Picture
Number
Date
Patentee
Title
631,801
Aug. 29, 1899
C. Bongfeldt, R.L. Levin
Wrench.
634,175
Oct. 03, 1899
R.L. Levin
Wrench
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