The inventor's pocket companion
Subtitle: containing the Canadian patent act of 1872 : a synopsis of the patent laws in all other countries and giving instruction how to apply for home and foreign patents : also the population of Canada in provinces, and of the United States in states, with many useful notes and comments
By: by Donald C. Ridout & Co.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 92355
Publisher: s.n.
Published: 1993
Place of publication: [Ottawa?
Language: eng
Format: Microform
Number of pages: 19
Subjects: Patents -- Canada.; Patent laws and legislation -- Canada.
Notes: Tables.

Filmed from a copy of the original publication held by the National Library of Canada. Ottawa ; Canadian Institute for Historical Microreproductions, 1993.

30 p. ; 23 cm.