Science on the 12th of April 1892 in history

Date	Type	Text
12 Apr 1892 Portable typewriter	science	Portable typewriter In 1892, the first U.S. patent for a portable typewriter, the Blickensderfer, was issued to George Blickensderfer of Stamford, Connecticut (No. 472,692).	0

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Science on the 12th of April 1892 in history

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