In this paper are presented the results of a continuation of the investigation aiming to discovery and identify the previously unknown Nikola Tesla's patents. The investigation has shown that Nikola Tesla had at least 308 patents originating from 27 different countries. Though the newly discovered patents are members of the previously defined patent families, they give a new insight into his activities on the protection of the inventions on the international level, especially at the their beginning. The subject matter of 28 newly discovered patents from 7 various countries are different Tesla's inventions in the fields both of electrical and mechanical engineering.