发明名称 Vehicle position indicator
摘要 A movable vehicle parking position indicator is disclosed which moves in conjunction with a garage door used to close off the parking area. As the garage door is opened, a ball-like indicator is lowered into a position clearly visible from the driver position of a vehicle entering or properly parked in the garage. As the door is closed, the indicator is retracted.
申请公布号 US3874322(A) 申请公布日期 1975.04.01
申请号 US19740442927 申请日期 1974.02.15
申请人 BRAUER, WILLIAM ALVIN 发明人 BRAUER, WILLIAM ALVIN
分类号 E04H6/42;(IPC1-7):B60Q9/00 主分类号 E04H6/42
代理机构 代理人
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