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公开(公告)号:US3375328A
公开(公告)日:1968-03-26
申请号:US4063960
申请日:1960-07-05
Applicant: RALPH G LUCAS , NATHANIEL L LEEK , NAT SHAWMUT BANK
Inventor: PURINGTON ELLISON S , LEON CHAFFEE EMORY
IPC: H03J7/04 , H04L27/227
CPC classification number: H03J7/04 , H04L27/2272
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公开(公告)号:US3339143A
公开(公告)日:1967-08-29
申请号:US82778459
申请日:1959-07-17
Applicant: RALPH G LUCAS , NATHANIEL L LEEK , NAT SHAWMUT BANK
Inventor: LEON CHAFFEE EMORY
IPC: H03D3/26
CPC classification number: H03D3/26
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