- 专利标题: Personal security alarm
-
申请号: US833899申请日: 1992-02-11
-
公开(公告)号: USD338844S公开(公告)日: 1993-08-31
- 设计人: Vincent J. Savio , David J. Privitera , Brian J. Matt , David L. Adriaansen
- 申请人: Vincent J. Savio , David J. Privitera , Brian J. Matt , David L. Adriaansen
- 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
- US4719532A Electrical controller 公开/授权日:1988-01-12
信息查询