Catalogue showing the subject or title of every patent granted by the U. S. government, prior to the year 1855 ; and the number issued under each title
By: By J. S. Brown, A.M.
Publisher: Henry Polkinhorn, printer
Published: 1855
Place of publication: Washington
Language: eng
Number of pages: 19
Subjects: Patents -- United States
Notes: Author's advertisement on back cover.