Invention Grant
- Patent Title: Electric discharge tube
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Application No.: US54927731Application Date: 1931-07-07
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Publication No.: US2011981APublication Date: 1935-08-20
- Inventor: WILHELM MULDER JOHANNES GIJSBE
- Applicant: PHILIPS NV
- Assignee: Philips Nv
- Current Assignee: Philips Nv
- Priority: NL369655X 1930-07-09
- Main IPC: H01J17/04
- IPC: H01J17/04
Information query
