13 Utility and 3 Design Patents
#117 in Nanjing
#9,500 in China
#297,024 in the World
rank by utility patentsForward Citations = 135
Company Filing History:


Buck Knives, Inc.
4. 3 out of 26,616

5. 1 out of 664
China Petroleum & Chemical Corporation
where one patent can have more than one assignee
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