Hand book on patent and trade mark law of Canada and United States
Edition: 4th ed.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 10725
Publisher: C.H. Riches
Published: 1981
Place of publication: Toronto
Language: eng
Format: Microform
Number of pages: 19
Subjects: Patent laws and legislation -- Canada.; Patent laws and legislation -- United States.; Trademarks -- United States.; Trademarks -- Canada.
Notes: At head of title:  Cable address:  "Richelieu, Toronto".

Includes index.

Written and published by Charles H. Riches.

Filmed from a copy of the original publication held by the National Library of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1981.

43 p. ; 17 cm.