Frederick Thayer‚ the inventor of the catcher’s mask‚ and George Wright sue the Spalding Brothers Company for copyright infringement. The two will eventually lose their case.

On August 11, 1883 — Frederick Thayer‚ the inventor of the catcher’s mask‚ and George Wright sue the Spalding Brothers Company for copyright infringement. The two will eventually lose their case.

Source:
Baseball Reference August 11
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game