Patent search ap:("IBM") AND inv:"NORWOOD JAMES R" Page 1

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发明授权
Proportional ribbon feed mechanism 失效
Title translation: 比例丝带进给机构

公开(公告)号：US3401783A

公开(公告)日：1968-09-17

申请号：US51755165

申请日：1965-12-30

Applicant: IBM

Inventor： NORWOOD JAMES R , MORGAN JOSEPH S

IPC: B41J33/36 , B41J35/38 , G05F3/24 , H02H9/02 , H03G11/00

CPC classification number: B41J33/36 , B41J35/38

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