The Canadian Patent Office record =

v.89:49-52 1961; v.89:1-5 1961; v.89:6-9 1961; v.89:10-13 1961; v.89:14-17 1961; v.89:18-22 1961; v.89:23-26 1961; v.89:27-30 1961; v.89:31-35 1961; v.89:36-39 1961; v.89:40-44 1961; v.89:45-48 1961; v.89:no.1-2 1961:Jan.-Feb. 1961; v.89:no.3-4 1961:March-April 1961; v.89:no.5-6 1961:May-June 1961; v.89:no.7-8 1961:July-August 1961; v.89:no.9-10 1961:Sept.-Oct. 1961; v.89:no.11-12 1961:Nov.-Dec. 1961; v.90:1-5 1962; v.90:6-9 1962; v.90:10-13 1962; v.90:14-17 1962; v.90:18-22 1962; v.90:23-26 1962; v.90:27-31 1962; v.90:32-35 1962; v.90:36-39 1962; v.90:40-44 1962; v.90:45-48 1962; v.90:49-52 1962; v.90:no.1-2 1962:Jan.-Feb. 1962; v.90:no.3-4 1962:March-April 1962; v.90:no.5-6 1962:May-June 1962; v.90:no.7-8 1962:July-August 1962; v.90:no.9-10 1962:Sept.-Oct. 1962; v.90:no.11-12 1962:Nov.-Dec. 1962; v.91:1-5 1963; v.91:6-9 1963; v.91:10-13 1963; v.91:14-18 1963; v.91:19-22 1963; v.91:23-26 1963; v.91:27-31 1963; v.91:32-35 1963; v.91:36-39 1963; v.91:40-44 1963; v.91:45-48 1963; v.91:49-53 1963; v.91:no.1-2 1963:Jan.-Feb. 1963; v.91:no.3-4 1963:March-April 1963; v.91:no.5-6 1963:May-June 1963; v.91:no.7-8 1963:July-August 1963; v.91:no.9-10 1963:Sept.-Oct. 1963; v.91:no.11-12 1963:Nov.-Dec. 1963; v.92:1-6 1964; v.92:7-12 1964; v.92:13-18 1964; v.92:19-24 1964; v.92:25-31 1964; v.92:32-39 1964; v.92:40-46 1964; v.92:47-52 1964; v.92:no.1-8 1964:Jan.-Feb 1964; v.92:no.9-13 1964:March 1964; v.92:no.14-18 1964:April 1964; v.92:no.19-23 1964:May 1964; v.92:no.24-28 1964:June 1964; v.92:no.29-34 1964:July 1964; v.92:no.35-40 1964:Sept.-Oct. 1964; v.92:no.41-46 1964:Sept.-Oct. 1964; v.92:no.47-52 1964:Nov.-Dec. 1964; v.93:1-7 1965; v.93:8-13 1965; v.93:14-19 1965; v.93:20-26 1965; v.93:27-32 1965; v.93:33-39 1965; v.93:40-46 1965; v.93:47-52 1965; v.93:no.1-6 1965:Jan.-Feb 1965; v.93:no.7-11 1965:Feb.-March 1965; v.93:no.12-16 1965:March-April 1965; v.93:no.17-21 1965:April-May 1965; v.93:no.22-26 1965:June 1965; v.93:no.27-30 1965:July 1965; v.93:no.31-34 1965:August 1965; v.93:no.35-38 1965:Aug.-Sept. 1965; v.93:no.39-