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Pages in category "Inventors from Indiana" The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes. B. Charles H. Black; C.
Dr. David Alter (1807–1881) was a doctor, scientist, and famous American inventor, son of John Alter and Eleanor Sheetz. "David began as a physician and scientist in Elderton, Pennsylvania in the 1830s. David Alter married (1st) Laura Rowley, and they settled in Elderton." [7]
Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer; Harry Houdini (1874–1926) U.S. – flight time illusion; Heinrich Hertz (1857–1894), Germany – radio telegraphy ...
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
William B. Purvis (12 August 1838 – 10 August 1914) [1] was an African-American inventor and businessman who received multiple patents in the late 19th-century. His inventions included improvements on paper bags, an updated fountain pen design, improvement to the hand stamp, and a close-conduit electric railway system.
Behind many of the world's most important inventions were even more fantastic flops ... 5 flops from the world's most famous inventors. Clinton Nguyen. Updated September 9, 2016 at 5:18 PM.
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By 1950, his inventions were earning over $50,000 a year, enabling him to hire six assistants and investing $65,000 to convert his smithy into a machine and welding shop. [4] He also partnered with a local white man, Howard L. Rutter, who assisted him with distribution and marketing to white manufacturers and farmers beyond Lancaster. [7]