Patent search ap:("STANDARD OIL CO CALIFORNIA") AND inv:"BUMBAUGH HAROLD L" Page 1

1.

发明授权
Lightning protection system and method 失效
Title translation: 防雷系统及方法

公开(公告)号：US1869661A

公开(公告)日：1932-08-02

申请号：US20853627

申请日：1927-07-26

Applicant: STANDARD OIL CO CALIFORNIA

Inventor： BUMBAUGH HAROLD L

IPC: H02G13/00

CPC classification number: H02G13/00 , H02G13/20 , H02G13/80

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