I think it was "author's certificate", also called a "inventor's certificate". It didn't give the author the right to exclusively use the invention. There were

I think it was "author's certificate", also called a "inventor's certificate". It didn't give the author the right to exclusively use the invention. There were no exclusive patents in the Soviet Union, if I recall correctly. http://en.wikipedia.org/wiki/Glossary_of_patent_law_terms#Author.E2.80.99s_certificate http://en.wikipedia.org/wiki/Glossary_of_patent_law_terms#Au...