| 发明名称 |
Pickup sweeper for roofing gravel |
| 摘要 |
Apparatus and method are described for picking up and removing gravel. The apparatus and method are particularly adapted to the removal of gravel from the surface of a roof when an old roof is being removed or repaired.
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| 申请公布号 |
US5244333(A) |
申请公布日期 |
1993.09.14 |
| 申请号 |
US19910763111 |
申请日期 |
1991.09.20 |
| 申请人 |
GARLOCK EQUIPMENT COMPANY |
发明人 |
BYRNE, BRIAN T. |
| 分类号 |
E01H1/10;E04D15/07;F02B1/04 |
主分类号 |
E01H1/10 |
| 代理机构 |
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代理人 |
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