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Differing figures have been cited for the total number of patents obtained by Tesla worldwide.   What is the actual number?

Based upon data found in PATENTI NIKOLE TESLE, the CATALOGUE OF TESLA PATENTS, Belgrade, 1987, and other sources [1,2,3], at least 275 patents were issued to Tesla in 25 countries over the course of his lifetime.  The often quoted figures of 700 and 900 patents worldwide are much too high.  The 275 patents figure breaks down as follows:
 

Country Known Tesla Patents
Argentina 1
Australia 3
Austria 4
Belgium 21
Brazil 2
Canada 7
Cuba 1
Denmark 3
Germany 19
Great Britain 29
France 26
India 1
Italy 11
Japan 1
Hungary 7
Mexico 1
New South Wales 2
New Zealand 1
Norway 3
Rhodesia 1
Russia 4
Spain 6
Switzerland 4
Sweden 4
Transvaal 1

United States

112
Total 275


[1] Dr. Nikola Tesla Complete Patents 
[2] Dr. Nikola Tesla Complete Patents On CD-ROM 
[3] Nikola Tesla Collected German and American Patents 

See Nikola Tesla Patents, Worldwide for a list of specific patent titles.

Have some additional data for the 'Tesla Worldwide Patents List' ?  Please contact TFCBooks.
 

This page was last updated on 10/27/2012 

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