Patent search ap:("RCA CORP") AND inv:"LOUGHREN ARTHUR V" Page 1

1.

发明授权
Radio signaling system 失效

公开(公告)号：US2204422A

公开(公告)日：1940-06-11

申请号：US67840633

申请日：1933-06-30

Applicant: RCA CORP

Inventor： LOUGHREN ARTHUR V , SMITH JEROME C

IPC: H03J3/06 , H04B1/16

CPC classification number: H03J3/06 , H04B1/163

Patent Agency Ranking