Proceedings and addresses.
Subtitle: Celebration of the beginning of the second century of the American patent system at Washington City, D.C. April 8, 9, 10, 1891.
By: Published by the Executive committee.
Publisher: Press of Gedney & Roberts co.
Published: 1892
Place of publication: Washington
Language: eng
Number of pages: 554
Subjects: United States. Patent Office; Patents -- United States; Inventions
Notes: A congress of inventors and manufacturers of inventions.
"Papers upon U.S. Patent office topics:" p. [453]-483.