Classification of subjects of invention of the United States Patent office, arranged by divisions with classes and subclasses in each.

Description

Tools

Cite this Export citation file
Corporate Author
United States. Patent Office.
Language(s)
English
Published
Washington, Govt. Print. Off., 1908.
Edition
Rev. to July 1, 1908.
Subjects
Patents > United States
Physical Description
86 p. 28 cm.
Locate a Print Version
Find in a library

Viewability

Item Link Original Source
Full view   Harvard University