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Patent Archive
#476953

Patent Information

Machine Wheel & Pinion

Duane H. Church

June 14, 1892

Patent #476953
Manufacturer:Waltham
Patent Number:476953
Description:Machine Wheel & Pinion
Inventor(s): Duane H. Church
Patent Date:Jun 14, 1892
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF