Author's certificates of the USSR
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UNION OF SOVIET SOCIALIST REPUBLICS
USSR STATE COMMITTEE ON INVENTIONS AND DISCOVERIES
AUTHOR'S CERTIFICATE
№929145
Invention: Apparatus for periodic extraction
Author(s): Марушкин Boris Konstantinovich, Ziganshin Galimzyan Karimovich, Sushko Lev Grigoryevich, Belyaev Georgii Aleksandrovich, Kirilyuk Boris Aleksandrovich
Application №2992235
Priority 13 Oct 1980
Registered in the State Registry of Inventions 21 Jan 1982
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UNION OF SOVIET SOCIALIST REPUBLICS
STATE COMMITTEE ON INVENTIONS AND DISCOVERIES
ATTACHED TO USSR STATE COMMITTEE ON SCIENCE AND TECHNICS
AUTHOR'S CERTIFICATE
№1622378
Invention: Method of lube-oil fractions selective treatment
Author(s): Marushkin Boris Konstantinovich, Ziganshin Galimzyan Karimovich at al
Application №4616228
Priority 6 Dec 1988
Registered in the State Registry of Inventions 22 Sep 1990
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UNION OF SOVIET SOCIALIST REPUBLICS
STATE COMMITTEE ON INVENTIONS AND DISCOVERIES
ATTACHED TO USSR STATE COMMITTEE ON SCIENCE AND TECHNICS
AUTHOR'S CERTIFICATE
№1623683
Invention: Liquid extractor
Author(s): Ziganshin Galimzyan Karimovich et al
Application №4286169
Priority 15 May 1987
Registered in the State Registry of Inventions 1 Oct 1990
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