September 30, 1896Applied for a patent on a coin-operated public x-ray vending machineRead More | | |
| | July 12, 1898Received a patent for a public coin-operated x-ray vending machine |
March 28, 1908Applied for a patent on improvements in anodes for x-ray tubesRead More | | |
| | May 17, 1910Issued US Patent No. 958,488 for improvements in x-ray tubes. |
September 5, 1911Issued US Patent No. 1,002,390 on improvements in x-ray tubes | | |
| | July 12, 1912Applied for a patent on improvements in x-ray tubesRead More |
October 22, 1912Issued US Patent No. 1,042,109 on improvements in x-ray tubes | | |
| | December 21, 1912Applied for a patent on improvements in vacuum-tubesRead More |
July 29, 1913Issued US Patent No. 1,068,426 on improvements in vacuum-tubes | | |
