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 first used a metal detector in an attempt to locate a…
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Biotechnology | Life Science History | Medical Device | Nanotechnology | Pharmaceutical | Therapeutics
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…
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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…
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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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Agriculture | Artificial Intelligence | Biotechnology | Diagnostics | Life Science History | Materials | Medical Device | Medicine | Pharmaceutical | Therapeutics | U.S. Congress
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…
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Spectacles were invented
In 1285, spectacles were invented in Italy using convex lenses for the farsighted. The “Glasses Apostle” painting in…
