发明名称 Filtered vacuum vault for storing collectibles
摘要 A vault for storing collectibles has a system for forcibly entering an incoming air, which after it has been filtered exits the vault along with undesirable substances trapped in a vault chamber.
申请公布号 US6547845(B2) 申请公布日期 2003.04.15
申请号 US20010915253 申请日期 2001.07.26
申请人 GRANT JAMES E. 发明人 GRANT, SR. JAMES E.
分类号 B01D46/24;(IPC1-7):B01D29/00 主分类号 B01D46/24
代理机构 代理人
主权项
地址