发明名称 Door latch holder
摘要 The present invention relates to an improved door latch holder designed to be mounted on the two knobs of a door and having a central portion designed to overlie a door latch. In the position described above, the door latch will be retracted into the door so that the door may be opened and closed without twisting one of the knobs thereof.
申请公布号 US5004279(A) 申请公布日期 1991.04.02
申请号 US19890382223 申请日期 1989.07.20
申请人 RADCLIFF, RUTH 发明人 RADCLIFF, RUTH
分类号 E05B17/00;E05B63/18 主分类号 E05B17/00
代理机构 代理人
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