J. L. Love patented his pencil sharpener in the US.
Source
Jan Matzeliger gave a public demonstration about his shoe-producing invention in Lynn, Massachusetts.
Thomas J Martin patented the fire extinguisher.
Inventor Benjamin J. Lane patented the first self-contained gas mask.
Solymon Merrick patented the wrench tool.
George Westinghouse Jr. patented steam power brake devices in the US.
