发明名称 Auger boat
摘要 A boat with a pair of air hose augers with a rubber ridge type surface and two wheels of a ridge surface or sled runners for holding a boat on the rails of a railroad track, the boat has a double snow plow blade for cleaning away the snow from streets, railroad tracks, etc., the air hose auger of six inches would handle a small boat easily.
申请公布号 US5269714(A) 申请公布日期 1993.12.14
申请号 US19920919244 申请日期 1992.07.27
申请人 WILSHUSEN, ALBERT R. 发明人 WILSHUSEN, ALBERT R.
分类号 B60F3/00;(IPC1-7):B63H1/26 主分类号 B60F3/00
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