Patents.
Contributors: Sewall, Eugene Dutilh, 1861-
Series: Machinery's reference series -- no. 134
Publisher: The Industrial press
Published: 1914
Place of publication: New York city
Language: eng
Number of pages: 48
Subjects: Patents -- United States.; Patent laws and legislation -- United States.
Table of contents: title: General principles of patents.; title: Essentials of the patent law.; title: Actual and constructive patent infringement, by E. D. Sewall.