Volume 10, Issue 23
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Features
Annual Report of the Commissioner of Patents
Recent American Patents
New York Markets
Use and Abuse of the Pianoforte
Hoffman's Eyeless Pick
Relating to Patents
The Law and Practice of Re-Issues
The Way the Life of the Earth Came Forth
The Union Hay-Fork
The Superheated Theory Tested by Experiment
The Rogers' Locomotive Works
Department of Agriculture
Cheap Tools
The Value of Patented Inventions
Patent Claims
Issued From The United States Patent-Office