Patent search ap:("SPECIALTIES DEV CORP") AND inv:"ROLLINS JAMES E" Page 1

1.

发明授权
Multiple resistance characteristic semi-conductor elements 失效
Title translation: 多重电阻特性半导体元件

公开(公告)号：US3068438A

公开(公告)日：1962-12-11

申请号：US927060

申请日：1960-02-17

Applicant: SPECIALTIES DEV CORP

Inventor： ROLLINS JAMES E

IPC: H01C7/04 , H01C7/105

CPC classification number: H01C7/043 , H01C7/105

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