-
公开(公告)号:US1863139A
公开(公告)日:1932-06-14
申请号:US50820931
申请日:1931-01-12
Applicant: BELL TELEPHONE LABOR INC
Inventor: MASSONNEAU ROBERT F
IPC: H04M3/487
CPC classification number: H04M3/4876
-
公开(公告)号:US2373134A
公开(公告)日:1945-04-10
申请号:US45384342
申请日:1942-08-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: MASSONNEAU ROBERT F
IPC: H03K23/82
CPC classification number: H03K23/82
-
公开(公告)号:US2136630A
公开(公告)日:1938-11-15
申请号:US3590935
申请日:1935-08-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: MASSONNEAU ROBERT F
IPC: H04M1/31
CPC classification number: H04M1/31
-
公开(公告)号:US2417427A
公开(公告)日:1947-03-18
申请号:US49957943
申请日:1943-08-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: MASSONNEAU ROBERT F
CPC classification number: H03K17/78
-
公开(公告)号:US2384634A
公开(公告)日:1945-09-11
申请号:US49957843
申请日:1943-08-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: MASSONNEAU ROBERT F
IPC: H04M3/487
CPC classification number: H04M3/4876
-
公开(公告)号:US1864082A
公开(公告)日:1932-06-21
申请号:US56505331
申请日:1931-09-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: MASSONNEAU ROBERT F
IPC: H04Q3/42
CPC classification number: H04Q3/42
-
公开(公告)号:US1795656A
公开(公告)日:1931-03-10
申请号:US38416129
申请日:1929-08-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: MASSONNEAU ROBERT F
IPC: H04Q1/22
CPC classification number: H04Q1/22
-
公开(公告)号:US2561722A
公开(公告)日:1951-07-24
申请号:US1343848
申请日:1948-03-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: BASCOM HENRY M , MASSONNEAU ROBERT F , OSTENDORF JR BERNARD , REA WILTON T
-
公开(公告)号:US2438492A
公开(公告)日:1948-03-30
申请号:US54984244
申请日:1944-08-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: BASCOM HENRY M , MASSONNEAU ROBERT F , OSTENDORF JR BERNARD , REA WILTON T
-
公开(公告)号:US2017644A
公开(公告)日:1935-10-15
申请号:US65047433
申请日:1933-01-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: ALLEN LAWRENCE H , MASSONNEAU ROBERT F
IPC: H04Q1/22
CPC classification number: H04Q1/22
-
-
-
-
-
-
-
-
-