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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0817641 (1992-01-07) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 21 인용 특허 : 0 |
A vehicle barrier for positioning on a roadway or the like includes a support plate adapted for placement across a roadway, a plurality of tread supports formed in series on the support plate with a space between adjacent tread supports, a rod having a row of spikes attached thereto and being rotata
A vehicle barrier for positioning on a roadway or the like comprising: a) a support plane adapted for placement across a roadway; b) a plurality of tread support means formed in series on said support plate with a space between adjacent tread support means; c) a rod having a row of spikes attached t
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