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Filed: Sep. 8, 1903
Issued: Nov. 14, 1911
Inventor: John C. Wilson
In 1911, John Wilson received a patent for a device the offer improvements to time printing machines. In his patent, he described the invention as follows:
"The apparatus consists of a novel arrangement of parts and connecting and cooperating devices to enable such machines to not only print or record the actual times of day 15 and the date when the machine is operated, but also to automatically compute or calculate and record or indicate the exact amount or value of the time which may elapse or intervene between two or more successive 20 imprintings to the exact second if need be…"
Image taken from U.S. Patent 1,008,763 - Digitized by Google