Patent drawing - Albert Baldwin Wood01 - . Public domain image
Summary
Diagram of Patent 1,345,655 Wood Screw Pump from US Patent Office. Image to be used in A. Baldwin Wood and Wood Screw Pump. Image from Patent Office website
Tags
patents
patent drawings
us patent office
a baldwin wood
united states patent drawings
diagram
high resolution
inventions
Date
06/07/1920
Source
USPTO
Link
Copyright info
public domain