Bearing of the contract theory of patents on certain defenses
By: delivered by the commissioner of patents, Mr. Thomas Ewing, at the thirty-seventh annual meeting of the American bar association held at Washington, D.C., October 20, 21, 22, 23, 1914.
Published: 1914
Place of publication: [Washington?
Language: eng
Number of pages: 25
Subjects: Patent laws and legislation.
Notes: Cover-title.