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www.google.comhttp://www.google.com/patents/US385190?utm_source=gb-gplus-sharePatent US385190 - THROP

Patent US385190 - THROP

THROP

GEOEGE PARSONS LATHROP

Abstract

Overview
Abstract
Drawings
Description
Claims

Patent number: 385190
Filing date: Nov 23, 1867
Issue date: Jun 26, 1888

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