The SciencesLegal High-Lights, May 1938Light but Strong, Reversal, and more. Patent Trade Mark and….By Orson D. Munn on May 1, 1938AdvertisementABOUT THE AUTHOR(S)Recent Articles by Orson D. MunnLegal High-Lights, January 1941Legal High Lights, December 1940Legal High-Lights, November 1940