发明授权
- 专利标题: Switch.
-
申请号: US1911665569申请日: 1911-12-13
-
公开(公告)号: US1037170A公开(公告)日: 1912-08-27
- 发明人: PURCELL JESSE SANFORD , WALKER JOHN M
- 申请人: PURCELL JESSE SANFORD , WALKER JOHN M
- 专利权人: Jesse Sanford Purcell,John M Walker
- 当前专利权人: Jesse Sanford Purcell,John M Walker
- 优先权: US1911665569 1911-12-13
信息查询