Patent search ap:("RCA CORP") AND inv:"DAM ALEXIS VAN" Page 1

1.

发明授权
Radio receiving apparatus 失效

公开(公告)号：US2270176A

公开(公告)日：1942-01-13

申请号：US29657839

申请日：1939-09-26

Applicant: RCA CORP

Inventor： LAMMEREN JOHANNES ANTONIUS VAN , DAM ALEXIS VAN , LEONARDUS VIVIE WILHELMUS LAMB , BORGE KNOS GUNNAR

IPC: H03J5/18 , H03J5/20

CPC classification number: H03J5/20 , H03J5/18

Patent Agency Ranking