Patent search ap:("LOWENSTEIN JR LOUIS E") AND inv:"LOWENSTEIN JR LOUIS E" Page 1

1.

发明授权
Holder for books and the like 失效
Title translation: 书籍持有人等

公开(公告)号：US2684765A

公开(公告)日：1954-07-27

申请号：US27086552

申请日：1952-02-09

Applicant: LOWENSTEIN JR LOUIS E

Inventor： LOWENSTEIN JR LOUIS E

IPC: A47B65/00

CPC classification number: A47B65/20 , A47B65/10

Patent Agency Ranking