RECENT PATENTS 1,306,709. Fire extinguisher composition. Harry S. Mork, Brookline, Mass., assignor to American-LaFrance Fire Engine Co., Elmira, N. Y. 1,307,614. Fire extinguishing inlet for fuel-tanks. Stephen H. Brooks, Cleveland, Ohio. 1,308.546. Fire extinguisher. Robert W. Lee. Brooklyn, N. Y., assignor to Pyrene Mfg. Co. 1,308,974. Sprinkler system. Abraham A. Arvintz, Brooklyn, N. Y. 1,309,596. Spray nozzle. Lee H. Parker, Boston. Mass., assignor to Spray Engineering Co., same place. 1,309,597. Spray nozzle. Lee H. Parker, Boston, Mass., assignor to Spray Engineering Co., same place. 1,309,624. Fire extinguisher. Percy J. Hindmarsh, Lincoln, Neb.
