How to protect business ideas
Subtitle: a study of trade-marks, patents, copyrights, labels and kindred properties
By: by William H. Leahy ... foreword by Isaac W. Digges.
Publisher: Harper & brothers
Published: 1936
Place of publication: New York; and London
Language: eng
Number of pages: 157
Subjects: Patent laws and legislation -- United States.; Trademarks -- United States.; Labels.; Patents -- United States.; Copyright -- United States.
Other titles: Business ideas, How to protect.