-
公开(公告)号:US2750656A
公开(公告)日:1956-06-19
申请号:US35040153
申请日:1953-04-22
Applicant: HOOVER CO
Inventor: GEORGE DUNN HAROLD
IPC: D06F45/22
CPC classification number: D06F45/22
-
公开(公告)号:US2797568A
公开(公告)日:1957-07-02
申请号:US44182954
申请日:1954-07-07
Applicant: HOOVER CO
Inventor: GEORGE DUNN HAROLD
IPC: D06F47/06
CPC classification number: D06F47/06
-
3.Securing of shafts in synthetic resin mouldings for a commutator 失效
Title translation: 用于换向器的合成树脂模制件中的轴的固定公开(公告)号:US2708246A
公开(公告)日:1955-05-10
申请号:US11452449
申请日:1949-09-08
Applicant: HOOVER CO
Inventor: GEORGE DUNN HAROLD
CPC classification number: H01R43/06 , B29C39/00 , Y10T29/49009 , Y10T29/49011 , Y10T29/49945 , Y10T403/48 , Y10T403/4966
-
公开(公告)号:US2968174A
公开(公告)日:1961-01-17
申请号:US69428057
申请日:1957-11-04
Applicant: HOOVER CO
Inventor: CHARLTON BELL WILLIAM , GEORGE DUNN HAROLD , HARROW WEALD , KERSHAW HAYDON EDWARD , WILLIAM PLINT DENNIS JOHN , RALPH SEARLE WALTER WILLIAM
IPC: D06F23/02
CPC classification number: D06F23/02
-
公开(公告)号:US2800010A
公开(公告)日:1957-07-23
申请号:US51656555
申请日:1955-06-20
Applicant: HOOVER CO
Inventor: GEORGE DUNN HAROLD
IPC: D06F47/06
CPC classification number: D06F47/06
-
-
-
-