A treatise upon the sale and management of patents, with other valuable information relative to applications, &c. ...
Title:
A treatise upon the sale and management of patents, with other valuable information relative to applications, &c. ...
Publication Information:
[Place of publication not identified] : Published for the author, [1858]
©1858
Physical Description:
84 pages ; 19 cm
Language:
English
Format :
Book