A list of patents granted by the United States
Subtitle: for the encouragement of arts and sciences, alphabetically arranged, from 1790 to 1820: containing the names of patentees, their places of residence, and the dates of the patents; with an alphabetical list of the names of the patentees: also, all the acts passed by Congress on the subject of patents
Publisher: Printed and sold by Alfred Elliot
Published: 1820
Place of publication: Washington, D.C
Language: eng
Format: [microform],
Number of pages: 72
Subjects: Patents; Copyright
Notes: Kept up to date by supplements.