Patent drawing - Albert Baldwin Wood02, Louisiana Public domain image
Summary
Diagram of Patent 1,345,655 Wood Screw Pump from US Patent Office. Filed 1913; Patent finalized 1920. Image to be used in en:A. Baldwin Wood and en:Wood Screw Pump. Image from Patent Office website.
Tags
patents
patent drawings
us patent office
a baldwin wood
new orleans in the 1920 s
pumping stations in new orleans
united states patent drawings
diagram
inventions
Date
06/07/1920
Source
USPTO
Link
Copyright info
public domain