Who invented the pulse ox machine in 1970?

Answer Bio engineers Takuo Aoyagi and Michio Kishi invented the pulse oximeter machine in early 1970.. They developed the same concept independent of each others work. The pulse oximeter monitors blood ox... Read More »

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Who invented a machine called a lasting machine that stitched the leather of a shoe to its sole?

Jan Ernst Matzeliger invented the lasting machine. The lasting machine places and attaches the leather upper part of the shoe to the sole. A native of Dutch Guiana born in 1852, Matzeliger develope... Read More »

Who invented the ice machine?

The inventor of the ice machine was Thaddeus Sobieski Constatine Lowe. He was granted a British patent and his ice, that was produced commercially via his invention, was first sold in 1866 in Dalla... Read More »

Who invented the atm machine?

While the inventor of the ATM is debated, the person who gets the most credit is John Shepherd-Barron. He had the first ATM installed in 1967 at a north London branch of Barclays Bank.Source:ATM Ma... Read More »

Who invented the EKG machine?

Willem Einthoven, a psychologist from the Dutch East Indies, developed a string galvanometer, a device used to take an electrocardiogram (EKG), in 1903. Doctors use an EKG to find out whether patie... Read More »