The law of patents for inventions :

familiarly explained for the use of inventors and patentees /
by William Carpmael.
Bibliographic Details
Main Creator: Carpmael, William, 1804-1867.
Format: Book
Language:English
Published / Created: London : Simpkin, Marshall, 1836.
Edition:2nd ed.
Subjects:
Notes:Physical description: 99, xxxviii p. ; 22 cm. (8vo)