PERRY MASON 325: The Case of the Irate Inventor (5/28/1960)
James Frazer wants a divorce and his cheating wife refuses to give him one. She's also stealing the plans to his invention in order to bait her engineer lover into staying around. Frazer leaves town for three months in order to cool down but on the night of his return he finds his wife murdered in his office and he has the only key to a unique burglar proof lock that he invented.
Cast:Raymond Burr (Perry Mason), William Hopper (Paul Drake), Barbara Hale (Della Street), William Talman (Hamilton Burger); Arthur Peterson (Sorrell), Douglas Odney (Arthur Hayden), Ken Lynch (Robert Hayden), Tom Coley (James Frazer), Barry Cahill (Sgt. Quimby), CeCe Whitney (Thelma Frazer), Manning Ross (Calvin Boone), Gertrude Flynn (Mrs. Nichols), Kasey Rogers (Lois Langley)