Engineer Alva J. Fisher patented the electric washing machine.
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American inventor Theophilus Van Kannel was granted the patent for the revolving door.
Inventor Robert Fulton tested his 66-foot long boat on River Seine in Paris, France.
Johannes Ostermeier patented the flashbulb for cameras.
Levi Strauss and Jacob Davis patented the first blue jeans with copper rivets.
German inventor Ferdinand von Zeppelin granted a patent for the navigable balloon.
