发明名称 Modified box scraper system and apparatus with trench backfill blade
摘要 A modified box scraper system that is fitted with a first, second and third plurality of attachment means located on the rearward end and both sides of the box scraper allowing for the attachment of a variety of modified work implements, said modified work implements including a trench backfill blade that attaches to the box scraper and allows the operator to backfill a trench with increased precision because the trenched row material can be funneled back into the trench.
申请公布号 US2009200047(A1) 申请公布日期 2009.08.13
申请号 US20080069617 申请日期 2008.02.11
申请人 FREDERICK MICHAEL 发明人 FREDERICK MICHAEL
分类号 A01B31/00 主分类号 A01B31/00
代理机构 代理人
主权项
地址