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Patents
5 books
Practical Pointers for Patentees
Franklin Allison Cresee
The Classification of Patents
United States. Patent Office
Baseball Joe of the Silver Stars
Lester Chadwick
Improvement in Fire-Arms and in the Apparatus Used Therewith Un…
Samuel Colt
Recent discussions on the abolition of patents for inventions i…
R. A. (Robert Andrew) Macfie