Patent laws and practice of obtaining letters patent for invention
Subtitle: in the United States and foreign countries, including copy-right and trademark laws
By: by Charles Sidney Whitman.
Publisher: W.H. & O.H. Morrison
Published: 1871
Place of publication: Washington
Language: eng
Number of pages: 708
Subjects: Patent laws and legislation; Patent laws and legislation -- United States; Copyright; Trademarks
Other titles: Whitman's patent laws.