FR847744A
Expired / Lapsed
FR
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Piezoelectric vibrator
Assignee: Marcel Henri Gigante
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Filing: 1938-06-18
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Granted: 1939-10-16
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Expires: 1958-06-18
Abstract
No abstract record available.
Inventors
- 👤 Marcel Henri Gigante
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 20:47
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/15; H03H9/17
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References Cited (Backward Citations)
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