-
公开(公告)号:US1837776A
公开(公告)日:1931-12-22
申请号:US23656527
申请日:1927-11-29
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: G03B9/10
CPC classification number: G03B9/10
-
公开(公告)号:US1747173A
公开(公告)日:1930-02-18
申请号:US1558725
申请日:1925-03-14
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N3/08
CPC classification number: H04N3/08
-
公开(公告)号:US1740353A
公开(公告)日:1929-12-17
申请号:US23007027
申请日:1927-10-31
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N1/032
CPC classification number: H04N1/0323
-
公开(公告)号:US1537087A
公开(公告)日:1925-05-12
申请号:US59581922
申请日:1922-10-20
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N3/08
CPC classification number: H04N3/08
-
公开(公告)号:US1907116A
公开(公告)日:1933-05-02
申请号:US30435228
申请日:1928-09-06
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N5/04
CPC classification number: H04N5/04
-
公开(公告)号:US1894042A
公开(公告)日:1933-01-10
申请号:US20075227
申请日:1927-06-22
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N5/66
CPC classification number: H04N5/66
-
公开(公告)号:US1879687A
公开(公告)日:1932-09-27
申请号:US24432428
申请日:1928-01-03
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H01J40/14
CPC classification number: H01J40/14
-
公开(公告)号:US1835054A
公开(公告)日:1931-12-08
申请号:US23816627
申请日:1927-12-06
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: B43K8/00
CPC classification number: B43K8/00
-
公开(公告)号:US1766644A
公开(公告)日:1930-06-24
申请号:US20751527
申请日:1927-07-21
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
IPC: H04N5/04
CPC classification number: H04N5/04
-
公开(公告)号:US1763357A
公开(公告)日:1930-06-10
申请号:US24432328
申请日:1928-01-03
Applicant: JENKINS LAB
Inventor: FRANCIS JENKINS CHARLES
-
-
-
-
-
-
-
-
-