The first X-ray was produced at Yale
On Feb. 5, 1886, Dr. Arthur Wright who produced the first X-ray at Yale the previous year, published…
Johnson ﾠ& ﾠJohnson was founded in New Brunswick, New Jersey
In 1886, three brothers, Robert Wood Johnson, James Wood Johnson and Edward Mead Johnson, founded Johnsonﾠ & ﾠJohnson…
Alexander Graham Bell used metal detector to locate a bullet lodged in the chest of American President James Garfield
On Jul. 26, 1881, Alexander Graham Bell used a metal detector in an attempt to locate a bullet…
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Trademark registration was added to the functions of the The U.S. Patent and Trademark Office
In 1881, a trademark registration was added to the functions of the The U.S. Patent and Trademark Office…
Siemensﾠ developedﾠ theﾠ Phonophor, the firstﾠ Technicalﾠ solutionﾠ forﾠ hearing ﾠloss
In 1878, Siemens, now Sivantos,ﾠdevelopedﾠ the ﾠPhonophor, the first ﾠtechnicalﾠ solutionﾠ for ﾠhearing ﾠloss. The history of electrical…
James Edward Hanger becomes the first amputee of the American Civil War
On Jun. 3, 1861, James Edward Hanger becomes the first amputee of the American Civil War. By the…
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The first U.S. patent was signed by President George Washington
On Jul. 31, 1790, the inventor Samuel Hopkins was awarded the first U.S. patent for a new method…
Spectacles were invented
In 1285, spectacles were invented in Italy using convex lenses for the farsighted. The “Glasses Apostle” painting in…