- 专利标题: Tri-zone mattress overlay
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申请号: US16008申请日: 1993-12-03
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公开(公告)号: USD355322S公开(公告)日: 1995-02-14
- 设计人: Robert E. Ackley , Richard W. Raburn
- 申请人: Robert E. Ackley , Richard W. Raburn
- 申请人地址: SC Greenville
- 专利权人: Span-America Medical Systems, Inc.
- 当前专利权人: Span-America Medical Systems, Inc.
- 当前专利权人地址: SC Greenville
公开/授权文献
- US5332895A Angle encoder with incremental and absolute tracks 公开/授权日:1994-07-26
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