The inventive step
Subtitle: its evolution in Canada, the United Kingdom, and the United States
By: John Bochnovic.
Series: IIC studies ;; v. 5
Publisher: Verlag Chemie
Published: 1982
Place of publication: Weinheim; [Deerfield Beach, Fla.]
Language: eng
Number of pages: 90
Subjects: Inventions -- Canada.; Patent laws and legislation -- Canada.; Inventions -- United States.; Patent laws and legislation -- United States.
Notes: Bibliography: p. [81]-83.
Includes index.