-
公开(公告)号:US2234919A
公开(公告)日:1941-03-11
申请号:US22486338
申请日:1938-08-15
Applicant: RADIO INVENTIONS INC
Inventor: RESSLER HUGH C
IPC: H04N1/36
CPC classification number: H04N1/36
-
公开(公告)号:US2265779A
公开(公告)日:1941-12-09
申请号:US29486839
申请日:1939-09-14
Applicant: RADIO INVENTIONS INC
Inventor: RESSLER HUGH C
IPC: H04N1/36
CPC classification number: H04N1/36
-
公开(公告)号:US2060825A
公开(公告)日:1936-11-17
申请号:US73822034
申请日:1934-08-03
Applicant: RADIO INVENTIONS INC
Inventor: RESSLER HUGH C , WILDER MARSHALL P
IPC: H01J29/62
CPC classification number: H01J29/624
-
公开(公告)号:US2266802A
公开(公告)日:1941-12-23
申请号:US30308739
申请日:1939-11-06
Applicant: RADIO INVENTIONS INC
Inventor: RESSLER HUGH C
IPC: H04N1/36
CPC classification number: H04N1/36
-
公开(公告)号:US2257918A
公开(公告)日:1941-10-07
申请号:US24475638
申请日:1938-12-09
Applicant: RADIO INVENTIONS INC
Inventor: RESSLER HUGH C
IPC: H04N1/36
CPC classification number: H04N1/36
-
公开(公告)号:US2202855A
公开(公告)日:1940-06-04
申请号:US22998038
申请日:1938-09-14
Applicant: RADIO INVENTIONS INC
Inventor: HOGAN JOHN V L , RESSLER HUGH C
IPC: H04N1/16
CPC classification number: H04N1/16
-
-
-
-
-