Invention Grant
- Patent Title: Biquinary glow-discharge digit indicator tube
- Patent Title (中): 普通辉光放电数字指示灯管
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Application No.: US19187462Application Date: 1962-05-02
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Publication No.: US3250938APublication Date: 1966-05-10
- Inventor: MARI FROUWS SIMON , MARIA HENDRIKS ADRIANUS ANTHON
- Applicant: PHILIPS CORP
- Assignee: Philips Corp
- Current Assignee: Philips Corp
- Priority: NL274223 1962-01-31
- Main IPC: H01J17/49
- IPC: H01J17/49
Information query
