-
公开(公告)号:US1955489A
公开(公告)日:1934-04-17
申请号:US48722630
申请日:1930-10-08
Applicant: DITTO INC
Inventor: DUNCAN JAMES K , RUDOLPH WEIDE
IPC: B41L9/08
CPC classification number: B41L9/08
-
公开(公告)号:US1940381A
公开(公告)日:1933-12-19
申请号:US51768031
申请日:1931-02-24
Applicant: DITTO INC
Inventor: RUDOLPH WEIDE
IPC: B41L9/04
CPC classification number: B41L9/04
-
公开(公告)号:US1967694A
公开(公告)日:1934-07-24
申请号:US57891031
申请日:1931-12-04
Applicant: DITTO INC
Inventor: RUDOLPH WEIDE
IPC: B41L9/04
CPC classification number: B41L9/04
-
公开(公告)号:US1954550A
公开(公告)日:1934-04-10
申请号:US61746132
申请日:1932-06-15
Applicant: DITTO INC
Inventor: RUDOLPH WEIDE
IPC: B41L19/00
CPC classification number: B41L19/00
-
公开(公告)号:US1812433A
公开(公告)日:1931-06-30
申请号:US48722530
申请日:1930-10-08
Applicant: DITTO INC
Inventor: DUNCAN JAMES K , RUDOLPH WEIDE
IPC: B41L9/08
CPC classification number: B41L9/08 , Y10T74/20732
-
-
-
-