Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"LE CRAW ROY C" Page 1

1.

发明授权
Microwave devices utilizing eu-fe garnet containing ga 失效
Title translation: 微波设备利用含有石榴石的微波装置

公开(公告)号：US3356929A

公开(公告)日：1967-12-05

申请号：US37958664

申请日：1964-07-01

Applicant: BELL TELEPHONE LABOR INC

Inventor： LE CRAW ROY C , HERBERT MATTHEWS , REMEIKA JOSEPH P

IPC: H01P1/32 , H03B19/03

CPC classification number: H01P1/32 , H03B19/03

2.

发明授权
Temperature-stable sonic transmission elements comprising crystalline materials containing jahn-teller ions 失效
Title translation: 温度稳定的声音传播元件包含含有杰出离子的结晶材料

公开(公告)号：US3296555A

公开(公告)日：1967-01-03

申请号：US40245364

申请日：1964-10-08

Applicant: BELL TELEPHONE LABOR INC

Inventor： FRASER DAVID B , GYORGY ERNST M , LE CRAW ROY C , SCHNETTLER FRANK J

IPC: H03B5/30 , H03H3/04 , H03H9/36

CPC classification number: H03H9/36 , H03B5/30 , H03H3/04

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