This patented automated bathing facility takes participants on a conveyor through a wetting station, soaping station, rinsing station and drying station. Why is this not…
On January 31, 1934, Tower Optical Company patented coin controlled binoculars. Tower Optical Company’s binoculars have been used on major tourist sites in the United…
On January 30, 1883, James Ritty and John Birch (brothers) received a patent for the cash register. It was called “Ritty’s Incorruptible Cashier” and was…
On January 29, 1895, Charles Steinmetz patented a system of distribution by alternating current (A/C). He fostered the development of A/C that made possible the…
Patent Information Publication number: US382845 A Patent Title: Commutator for…
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