Patent search ap:("JAMES KNIGHTS COMPANY") AND inv:"SULZER PETER G" Page 1

1.

发明授权
Oven for piezoelectric crystals 失效
Title translation: 压电晶体炉

公开(公告)号：US3158821A

公开(公告)日：1964-11-24

申请号：US2894960

申请日：1960-05-13

Applicant: JAMES KNIGHTS COMPANY

Inventor： SULZER PETER G

IPC: G05D23/24 , H03L1/04

CPC classification number: H03L1/04 , G05D23/24

Patent Agency Ranking