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Patents for Valley Iron Works
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
150,534May 05, 1874T. CraneyImprovement in saw-mill dogs
RE7,453Jan. 02, 1877T. CraneyImprovement in saw-mill dogs
223,997Feb. 03, 1880T. CraneySaw-mill dog
485,361Nov. 01, 1892F.J. WatersEngine Governor
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