Eric Johnson,Thomas J. Fogarty,Frank Arko,Jeff Elkins,Martin Seery
申请号：
US13791610
公开号：
US09393034B2
申请日:
2013.03.08
申请国别(地区):
US
年份:
2016
代理人:
摘要：
In one embodiment, a filter includes a first spiral support member having a first end and a second end； a second spiral support member positioned adjacent the first spiral support member to form a loop between the first end and the second end； a material covering a portion of the first and the second spiral support members； and a structure attached to the loop.
