- 专利标题: Wireless communicator for a personal emergency response system
-
申请号: US277928申请日: 1988-11-30
-
公开(公告)号: USD313362S公开(公告)日: 1991-01-01
- 设计人: Richard M. Reich , Vincent J. Savio , Eric Cohen , David Chastain
- 申请人: Richard M. Reich , Vincent J. Savio , Eric Cohen , David Chastain
- 申请人地址: MA Watertown
- 专利权人: Lifeline Systems, Inc.
- 当前专利权人: Lifeline Systems, Inc.
- 当前专利权人地址: MA Watertown
公开/授权文献
- US5637160A Corrosion-resistant bismuth brass 公开/授权日:1997-06-10