Inventions, patents and trade-marks
Subtitle: their protection and promotion (a revision and enlargement of Inventions and patents)
By: By Milton Wright...
Edition: 2d ed.
Publisher: McGraw-Hill
Published: 1933
Place of publication: New York and London
Language: eng
Number of pages: 310
Subjects: Inventions; Patents -- United States; Trademarks -- United States.; Forms (Law) -- United States