INVENTIONS WANTED! (Oct, 1955)
LUMINOUS SIGN in railroad cars to announce approaching stations, eliminate mumbled calls. T. C. Alexander, Urbana. Ill.
GLOWING balls, racquets, nets, boundary lines so tennis lovers could romp in summer twilight. Bill Dong, Vancouver, Canada.
REPLACEABLE BLOTTER that fits in fountain pen cap and is ever-ready to absorb those blobs of ink. David Katsuki, Media, Pa.
FILTERED EXHAUST on autos to do away with threat of carbon monoxide poisoning, purify air. Arthur Stone, Oshaway, Canada.