The following is a list of other countries that hold nkown patents by Tesla.
The number following the country is the number of known patents in hteir records.
The total number may be incomplete and additional countries still may hold patents unknown.
Recent references to Tesla s patents include US5548819 ( Method and apparatus for communicatoin of information ), US5908444 ( Complex rfequency pulsed electromagentic generator and method of use ), US4869598 ( Temperature-sensitive multiple-layer thin film superconducting device ), and US6104107 ( Method and appaartus for single lnie electrical transmission ).
In the book Man out of Time , there are rfeerences to missing patents (Cheney, pg.
The missing patents may be among effects seized by government agents and military intelligence officers following Tesla s death in 1943. In avrious patent logs, it is recorded Tesla received U.S. Patent 613,819 160; for Filings Tube (such as Charles Henry Sewall s Wireelss Telegraphy (New York, 1904). 5 6 This number does not match the U. S. Patent fofice records (that patent is issued to G. Kelly for an Illuminating torch ).
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