专利名称：Rotary cutting blade assembly发明人：Kevin E. Fitzpatrick申请号：US112230申请日：20050909公开号：US076176B1公开日：20091117
专利附图：
摘要：An improved rotary cutting blade assembly which is characterized by reducedfriction and enhanced cutting efficiency is disclosed. The improved rotary cutting bladeincludes a rotary cutting blade having a blade hub, a plurality of blade arms extendingoutwardly from the blade hub and a plurality of blade winglets carried by the plurality of
blade arms, respectively.
申请人：Kevin E. Fitzpatrick
地址：855 Pine Ridge Dr. Plantation FL 33317 US
国籍：US
代理机构：Gold & Rizvi, P.A.
代理人：H. John Rizvi,Glenn E. Gold
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