Radio Patrol

Overview
About a young radio cop and a beautiful girl try to stop an international criminal gang from getting their hands on the formula for a new bulletproof steel.
Similar
Jesse James Rides Again (1947)
Flash Gordon (1936)
Bruce Gentry (1949)
The Grip of Evil (1916)
King of the Forest Rangers (1946)
The Secret of the Submarine (1915)
The Phantom Rider (1936)
The Wolf Dog (1933)
Perils of the Royal Mounted (1942)
The Artificial Man (1916)
Drums of Fu Manchu (1940)
The Scarlet Horseman (1946)
The Master Key (1945)
Mystery of the Riverboat (1944)
The Black Coin (1936)
Custer's Last Stand (1936)
Jungle Menace (1937)
The Mysterious Pilot (1937)
Flying G-Men (1939)
The Spider's Web (1938)