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18th September 1942, Page 22
18th September 1942
Page 22
Page 22, 18th September 1942
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War-time Inventors Should Understand The Patents Laws

How Inventors and Patentees are Affected by the 1942 Act Applying to the Patents and Designs Acts of Earlier • Date By S. T. Madeley T "passing of the end of the third year of......