Elmer Greensfelder
# Elmer Greensfelder

Elmer Lewis Greensfelder (February 7, 1892 in Baltimore, Maryland - December 19, 1966) was a playwright and inventor. In 1911 he graduated from Johns Hopkins University, and later he used his degree to serve in World War I.

## Plays

In 1932 Elmer Greensfelder won a contest from the Drama League of America for his play Broomsticks-Amen!. Greensfelder also wrote the play Half Past Heaven. Some of his other plays include The Saints Draws a Daggar, The Crocodile Chuckles, Six Stokers Who Own the Bloomin' Earth, and Mark Twain.

## Patents

Greensfelder was an inventor with numerous approved patents, including one for "Method and Apparatus For Synchronously Producing Sounds To Accompany Motion Pictures". This patent was a system that would make sound automatically play while a motion picture was playing. Other patents include "Changeable Profile Toy" and "Loose Leaf Binder".

