Invention Grant
- Patent Title: Electrode for vapor-lamps.
- Patent Title (中): 蒸汽电极用电极。
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Application No.: US1904203435Application Date: 1904-04-16
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Publication No.: US965900APublication Date: 1910-08-02
- Inventor: HEWITT PETER COOPER
- Applicant: COOPER HEWITT ELECTRIC CO
- Assignee: Cooper Hewitt Electric Co
- Current Assignee: Cooper Hewitt Electric Co
- Priority: US1904203435 1904-04-16
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