Patent search ap:("MIDWESTERN INSTR INC") AND inv:"BRUMBAUGH ROBERT M" Page 1

1.

发明授权
Digital tape transport 失效
Title translation: 数字磁带传输

公开(公告)号：US3189239A

公开(公告)日：1965-06-15

申请号：US8979261

申请日：1961-02-16

Applicant: MIDWESTERN INSTR INC

Inventor： BRUMBAUGH ROBERT M

IPC: G11B15/26 , G11B15/58

CPC classification number: G11B15/58 , G11B15/26

Patent Agency Ranking