The inventor's assistant
Subtitle: furnishing general information concerning the patent laws of all countries, and the forms and proceedings of the Patent office, with a digest of the decisions of the federal courts in cases relating to patents.
By: By F.O. Dorr ...
Publisher: G.H. Bell
Published: 1851
Place of publication: New York
Language: eng
Number of pages: 179
Subjects: Patent laws and legislation.; Patents -- United States.