Celebration of the beginning of the second century of the American patent system at Washington City, D.C.
Subtitle: April 8, 9, 10, 1891 : proceedings and addresses / published by the Executive Committee [of the Patent Centennial Celebration] .
Publisher: Press of Gedney & Roberts Co., 1892.
Published: 1892
Place of publication: Washihngton, D.C
Language: eng
Number of pages: 554
Notes: Includes bibliographical references and index.