A treatise on the law and practice relating to letters patent for inventions
By: By John Paxton Norman.
Series: The law library ; Jan.- Mar., 1853; Law library -- Jan.-Mar. 1853.
Publisher: T. & J.W. Johnson
Published: 1853
Place of publication: Philadelphia
Language: eng
Number of pages: 208
Subjects: Patent laws and legislation -- Great Britain.; Patent laws and legislation -- United States.