The SciencesA Weapon for InventorsWho Was First? Inventors Rights Must be Backed by Legal Evidence, How to Obtain ItBy Orson D. Munn on August 1, 1936AdvertisementABOUT THE AUTHOR(S)Recent Articles by Orson D. MunnLegal High-Lights, January 1941Legal High Lights, December 1940Legal High-Lights, November 1940