专利内容由知识产权出版社提供
专利名称：Vacuum cleaner
发明人：Dean Rohn,Steven Ray Selewski,William R.
Daws
申请号：US09746814申请日：20001222公开号：US06361587B1公开日：20020326
专利附图：
摘要：A vacuum cleaner assembly comprising a main housing, a primary filter system,and a secondary filter system. The main housing includes an inlet and an outlet. Theprimary filter system filters the air prior to being exhausted outwardly through the
outlet. The secondary filter system is placed in downstream airflow from the primaryfilter system and provides additional filtering of the air prior to being exhausted toatmosphere.
申请人：REXAIR, INC.
代理机构：Howard & Howard
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