How and by whom letters patent can be secured for American, foreign and other inventors in the Dominion of Canada
Subtitle: also a synopsis of patent laws of all countries in the world with the cost of obtaining patents, &c., &c.
By: by Charles Legge and Company.
Contributors: Charles Legge and Company.
Publisher: s.n.]
Published: 1980
Place of publication: [Montreal?
Language: eng
Format: Microform
Number of pages: 20
Subjects: Inventions.; Patents.
Notes: Filmed from a copy of the original publication held by the Douglas Library, Queen's University. Ottawa : Canadian Institute for Historical Microreproductions, 1980.

31 p. ; 22 cm.

31 p.