发明名称 Magnetized picture frame
摘要 A frame for displaying informational sheet material on a steel refrigerator. Permanent magnets are formed in the frame to magnetically adhere the frame to the refrigerator surface. The frame is preferably formed of thin-walled plastic tubing to reduce total frame weight.
申请公布号 US4912864(A) 申请公布日期 1990.04.03
申请号 US19880283452 申请日期 1988.12.12
申请人 PRICE, RUTH A. 发明人 PRICE, RUTH A.
分类号 A47G1/06;A47G1/17;G09F1/12 主分类号 A47G1/06
代理机构 代理人
主权项
地址