- 专利标题: Front face of a retaining wall block
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申请号: US38326申请日: 1995-05-03
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公开(公告)号: USD381086S公开(公告)日: 1997-07-15
- 设计人: Paul J. Forsberg
- 申请人: Paul J. Forsberg
- 申请人地址: MN Bloomington
- 专利权人: Keystone Retaining Wall Systems, Inc.
- 当前专利权人: Keystone Retaining Wall Systems, Inc.
- 当前专利权人地址: MN Bloomington
公开/授权文献
- US6001504A Prismatic battery housing 公开/授权日:1999-12-14