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Author: United States. Patent Office.
Title: Classified index of subjects of invention adopted in the U. S. Patent office, March 1, 1872.
Publication info: Ann Arbor, Michigan: University of Michigan Library
2005
Rights/Permissions: Where applicable, subject to copyright. Please go to http://quod.lib.umich.edu/t/text/accesspolicy.html for more information.
Print source: Classified index of subjects of invention adopted in the U. S. Patent office, March 1, 1872.
United States. Patent Office.

Washington: Govt. print. off., 1872.
Subject terms:
Patents -- United States
URL: http://name.umdl.umich.edu/ajq4114.0001.001
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