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公开(公告)号:US2220168A
公开(公告)日:1940-11-05
申请号:US26847839
申请日:1939-04-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: MELICK JOHN M
IPC: G07F1/04
CPC classification number: G07F1/04
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公开(公告)号:US2116580A
公开(公告)日:1938-05-10
申请号:US2943635
申请日:1935-07-02
Applicant: BELL TELEPHONE LABOR INC
Inventor: MELICK JOHN M
IPC: H04M17/02
CPC classification number: H04M17/026
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公开(公告)号:US1919799A
公开(公告)日:1933-07-25
申请号:US31296128
申请日:1928-10-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: MELICK JOHN M
IPC: G07F9/06
CPC classification number: G07F9/06
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公开(公告)号:US1818568A
公开(公告)日:1931-08-11
申请号:US33776829
申请日:1929-02-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: MELICK JOHN M
IPC: G07F1/04
CPC classification number: G07F1/043
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公开(公告)号:US2652116A
公开(公告)日:1953-09-15
申请号:US1389848
申请日:1948-03-09
Applicant: BELL TELEPHONE LABOR INC
Inventor: MALLINA RUDOLPH F , MELICK JOHN M
CPC classification number: B21D28/246
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公开(公告)号:US2506429A
公开(公告)日:1950-05-02
申请号:US67327646
申请日:1946-05-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: MELICK JOHN M
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公开(公告)号:US2032218A
公开(公告)日:1936-02-25
申请号:US748535
申请日:1935-02-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: MELICK JOHN M
IPC: H04M17/02
CPC classification number: H04M17/026
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公开(公告)号:US1956744A
公开(公告)日:1934-05-01
申请号:US62008232
申请日:1932-06-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: MELICK JOHN M
IPC: A62C13/70
CPC classification number: A62C13/70
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公开(公告)号:US1940095A
公开(公告)日:1933-12-19
申请号:US59747332
申请日:1932-03-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: MELICK JOHN M
IPC: H04M17/02
CPC classification number: H04M17/026
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公开(公告)号:US1757464A
公开(公告)日:1930-05-06
申请号:US26179228
申请日:1928-03-15
Applicant: BELL TELEPHONE LABOR INC
Inventor: MELICK JOHN M
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