Inventor Benjamin J. Lane patented the first self-contained gas mask.
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A patent was granted to Robert Goddard for a liquid-filled rocket.
The first printing of the Gutenberg Bible was completed.
Inventor Elias Howe was awarded the patent for the lockstitch sewing machine.
Inventor William Gray received a patent for creating the telephone that uses coins to operate it.
Isaac Singer was granted his patent for a commercial sewing machine.
