专利名称：Safety tire, method of making and method
of improved traffic safety with use thereof
发明人：John Michael O'Brien,Patrick Michael O'Brien申请号：US11902400申请日：20070921
公开号：US20080073009A1公开日：20080327
专利附图：
摘要：A tire in which a tire manufacturer has determined the tractive capacity atnumerous levels of tread wear, the tire having at least one visual warning indicatorlocated at a tread depth corresponding to a percentage loss of tractive capacity. Also, a
method of making the tire and a method improving traffic safety through use of such atire combined with educating the consumer as to proper use of the tire.
申请人：John Michael O'Brien,Patrick Michael O'Brien
地址：Tualatin OR US,Portland OR US
国籍：US,US
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