Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"ISAMU TATSUGUCHI" Page 1

1.

发明授权
Microwave coupling arrangements 失效
Title translation: 微波耦合布置

公开(公告)号：US3026490A

公开(公告)日：1962-03-20

申请号：US86241659

申请日：1959-12-28

Applicant: BELL TELEPHONE LABOR INC

Inventor： MUMFORD WILLIAM W , ISAMU TATSUGUCHI

IPC: H01P3/08 , H01P5/20

CPC classification number: H01P3/085 , H01P5/20

Patent Agency Ranking