- 专利标题: Sprinkler head grass trimmer
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申请号: US571608申请日: 1975-04-25
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公开(公告)号: USD242894S公开(公告)日: 1977-01-04
- 设计人: Kenneth W. Harris
- 申请人: Kenneth W. Harris
- 申请人地址: TX Austin TX Plano TX San Antonio
- 专利权人: Harris; Allan E.,Harris; Roger T.,Eckman; Philip W.
- 当前专利权人: Harris; Allan E.,Harris; Roger T.,Eckman; Philip W.
- 当前专利权人地址: TX Austin TX Plano TX San Antonio
公开/授权文献
- US5139674A Method of purifying dry-cleaning solvent 公开/授权日:1992-08-18
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