"में 1912, उन्होंने अपना पहला पेटेंट अपने ""स्मोक हूड"" से कराया जो कि WW1 गैस मास्क का खाका बन जाएगा।"
"In 1912, he made his first patent with his ""Smoke Hood"" that would become the blueprint for WW1 gas masks."